Business Mathematics consists of Mathematical concepts related to business. It comprises mainly profit, loss and interest. Maths is the base of any business. Business Mathematics financial formulas, measurements which helps to calculate profit and loss, the interest rates, tax calculations, salary calculations, which helps to finish the business tasks effectively and efficiently.
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Business Mathematics is highly related to the Statistics concepts which give solutions to business problems. In business, we deal with the exchange of money or products, which have a monetary value. Each business leads to some profit and some loss. To identify these factors, we have to study the primary topics of Maths such as formulas to find a profit, loss, their percentages, discount, etc. Even Though, the requirement of this subject does not contain pure Maths, it needs Mathematical thinking and some Maths formulas. Here, we will discuss what is Business Mathematics, terminologies, and important formulas with problems and solutions.
What is Business Mathematics?
Business Math always deals with profit or loss. The cost of a product is fixed by taking into consideration it’s profit, margin, cash discount, trade discount, etc. Business mathematics is used by commercial companies to record and manage business works. Commercial businesses use maths in departments of accounting, inventory management, marketing, sales forecasting and financial analysis.
Business Mathematics Topics
The most important topics covered in Business Mathematics are:
- Profit and Loss
- Statistics
- Simple and Compound Interest
- Interest Rates
- Loans
- Markups and markdowns
- Taxes and Tax Laws
- Discount Factor
- Annuities
- Insurance
- Credit
- Depreciation
- Future and Present Values
- Financial Statements
Business Mathematics Basic Terms
- Selling Price: The market price is taken to sell a product.
- Cost Price: The original price of the product is the cost price.
- Profit: If the selling price is more than the cost price, the difference in the prices is the profit.
- Loss: If the selling price is less than the cost price, the difference in the prices is the loss.
- Discount: The reduced amount in the selling price of a product.
- Simple Interest: Simple interest is that interest which is counted against the capital amount or the portion of the main amount that remains unpaid.
- Compound Interest: Compound interest is the investment rate that increases exponentially.
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Business Mathematics Formulas
Here, the 9 basic Business Mathematics formulas that we cannot ignore. They are:
Net Income Formula:
Net Income = Revenue – Expense
Accounting Equation:
Assets = Liabilities + Equity
Equity = Assets – Liabilities
Cost of Goods Sold Formula:
COGS = Beginning inventory + Purchase during the period – Ending inventory
Break-Even point Formula:
Break-Even Point = Fixed cost / (Sales Price per unit – variable cost per unit)
Current Ratio Formula:
Current Ratio = Current Assets / Current Liabilities
Profit Margin Formula:
Profit Margin = (Net Income/ Revenue) × 100
Return of Investment (ROI) Formula:
ROI = [(Invest gain – Cost of Investment)/ Cost of Investment] × 100
Markup Formula:
Markup Percentage = [(Revenue- COGS)/COGS] × 100
Selling Price using Markup = (COGS × markup percentage) + COGS
Where,
COGS = Cost of goods sold
Inventory Shrinkage Formula:
Inventory Shrinkage = [(Recorded Inventory – Actual Inventory)/ Recorded Inventory] × 100
Business Mathematics Example
While doing business, one can earn a good profit or face loss. The price of a product is fixed, taking into consideration it’s cost price, profit, margin, trade discount, cash discount, etc. The price marked on the commodity is called marked price or catalogue price. For trading purposes, the manufacturer proposes a discount on the MRP to the buyer. This is called a trade discount. In addition to the trade discount, if the buyer pays cash against goods, he gets another cut called cash discount. The price of the object after subtracting the trade discount and cash discount is called the selling price. Thus, we have, Selling price = Cost price – Discounts. Let us discuss the most important concept called “Profit and Loss” here.
Profit and Loss:
A profit is the earned amount received by a business on selling a product whereas loss is the amount which is less than the actual price of the product. The formula for profit and loss is given based on the selling price and cost price of a commodity.
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Both these measures have their percentage value also and they are given by;
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Business Mathematics Problems and Solutions
Question 1: A music system was bought for Rs.10,500 and sold at Rs.9,500. Find the amount of profit or loss.
Solution: Given,
Cost Price of the music system = Rs.10,500
Selling Price of the music system = Rs. 9,500
We can see here, C.P. is greater than S.P. Therefore, there is a loss in this business.
Hence, we need to calculate the loss amount.
Loss = C.P. – S.P.
Loss = 10,500 – 9,500 = Rs.1,000/-.
Question 2: A pair of shoes is bought at Rs 200 and sold at a profit of 10%. Find the selling price of the shoes.
Solution: Given,
Profit = 10% of Rs.200
P = (10/100) × 200 = Rs. 20
S.P. = C.P. + Profit
S.P. = 200 + 20 = Rs.220/-
Question 3: If the cost price of an article including 20% for taxes is Rs. 186, then find the original cost of the article excluding taxes.
Solution:
Let x be the original price of an article.
Tax = 20% of x = (20/100) × x = 0.2x
According to the given statement,
Original cost + tax = New cost price
x + 0.2x = Rs. 186
1.2x = Rs. 186
x = Rs. 186/1.2
x = Rs. 155
Therefore, the cost of the article without taxes = Rs. 155
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