Milano Pizza is a small neighborhood pizzeria that has a small area for in-store dining as well as offering take-out and free home delivery services. The pizzeria's owner has determined that the shop has two major cost driversthe number of pizzas sold and the number of deliveries made. The pizzeria's cost formulas appear below: Page Fixed Cost Cost per Cost per Pizza Delivery per Month Pizza ingredients $3.80 Kitchen staff $5,220 Utilities $630 $0.05 Delivery person $3.50 Delivery vehicle $540 $1.50 Equipment depreciation $275 Rent $1,830 Miscellaneous $820 $0.15 In November, the pizzeria budgeted for 1,200 pizzas at an average selling price of $13.50 per pizza and for 180 deliveries. Data concerning the pizzeria's actual results in November were as follows: Actual Results 1.240 Pizzas Deliveries Revenue 174 $17,420 $4,985 Pizza ingredients Kitchen staff $5,281 Utilities $984 Delivery person $609 Delivery vehicle $655 Equipment depreciation $275 $1,830 Rent Miscellaneous $954 Required: 1. Using Exhibit 9-11 as your guide, prepare a flexible budget performance report that shows both revenue and spending variances and activity variances for the pizzeria for November. 2. Explain the activity variances