A detailed solution would be much appreciated

Problem 9-21 More Than One Cost Driver (LO9-2, LO9-3, LO9-4, LO9-5] 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: Fixed Cost Cost per Pizza $ 4.80 Cost per Delivery per Month $5,990 $ 650 $ 0.70 Pizza ingredients Kitchen staff Utilities Delivery person Delivery vehicle Equipment depreciation Rent Miscellaneous $3.50 $1.90 $ 670 $ 432 $1,950 $ 770 $ 0.10 In November, the pizzeria budgeted for 1,680 pizzas at an average selling price of $19 per pizza and for 180 deliveries. Data concerning the pizzeria's actual results in November appear below: Pizzas Deliveries Actual Results 1,780 160 Revenue Pizza ingredients Kitchen staff Utilities Delivery person Delivery vehicle Equipment depreciation Rent Miscellaneous $ 34,410 $ 7,930 $ 5,930 $ 905 $ 560 $ 994 $ 432 $ 1,950 814 $ 1. Complete the flexible budget performance report that shows both revenue and spending variances and activity variances for the pizzeria for November. (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.) Milano Pizza Flexible Budget Performance Report For the Month Ended November 30 Flexible Budget Actual Results 1.780 Planning Budget Pizzas Deliveries 160 Revenue $ 34,410 Expenses Pizza ingredients 7,930 Kitchen staff 5,930 Utilities 905 Delivery person 560 Delivery vehicle 994 Equipment depreciation 432 Rent 1,950 Miscellaneous 814 19,515 Total expense Net operating income $ 14,895