Question

Hours of Labour	Total Output	Marginal Product
0	?	?
1	100	100
2	?	80
3	240	?

What is the marginal product when $3$ hours of labour are employed?

• A. $60$
• B. $80$
• C. $100$
• D. $240$

Answer 1

The correct option is A $60$

Hours of Labour	Total Output	Marginal Product
0	0	0
1	100	100
2	180	80
3	240	60

Marginal product when $3$ hours of labour are employed = $240-180=60$.