Milano Pizza has a small area for in$-$store dining as well as offers take$-$out and free home delivery services. The pizzeria's owner determined the shop has two major cost drivers$-$the number of pizzas sold and the number of deliveries made.

The pizzeria's cost formulas appear below:

$\backslash$table$[[$Fixed Cost,,,$],[$per Month,$\backslash$table$[[$Cost per$],[$Pizza$]],\backslash$table$[[$Cost per$],[$Delivery$]],],[$Pizza ingredients,,$$4\mathrm{.}50,],[$Kitchen staff,$$5,930,,],[$Utilities$,$$$620,$$$0\mathrm{.}40,],[$Delivery person,,,$$6\mathrm{.}20$