The correct option is D 1,340 dollars
Income from sales in 100 hours = 134,000 dollars
Income in 1 hour = 134,000 ÷ 100
To divide a number by 100, we have to move decimal point two places to the left.
⟹ 134000 ÷ 100 = 1340
Hence, income in 1 hour = 1,340 dollars