If the florist below shows the marginal benefit that a florist earns from keeping his store open one more hour

If the florist below shows the marginal benefit that a florist earns from keeping his store open one more hour. The florist has a marginal cost of &70 per hour. For the last five weeks he has stayed open 24 hours.  

Hours	Marginal Benefit per Hour
18	100
19	80
20	70
21	60
22	30
23	20
24	10

1. Do you think the florist’s decision to stay open 24 hours is optimal? Why?

(1.5 Marks) [Ch. 2]  

1. How many hours do you advise him to stay open? Why? (1.5 Marks) [Ch. 2]

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