Total

Hours

Revenue

Open

$($dollars$)$

$1,$$$35$

$2,60$

$3,80$

$4,96$

$5,110$

$6,122$

Eva runs a small bookstore in the village of Bessemer City. She is debating whether she should extend her hours of operation. Eva figures that her TOTAL sales revenue will depend on the number of hours the store is open as shown in the table above. She would have to hire a worker for those hours at a wage rate of $$12$ per hour.

Using marginal analysis, determine how many hours Eva should keep her bakery open.

$2$ hours

$3$ hours

$4$ hours