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 drivers?the number of pizzas sold and the number of deliveries made. Data concerning the pizzeria's costs appear below:

Fixed cost per month Cost per Pizza Cost per delivery 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