Republic Industries decides to price delivery service according to the results of a recent activity$-$based costing $($ABC$)$ study. The four ABC activity rates are as follows: $$8$ per order, $2\%$ of the order's value for general delivery costs, $$1\mathrm{.}25$ per item, and $$30$ for delivery.

A year later, Republic collected the following information for two of its best customers:

$\backslash$table$[[$Cost driver,Customer C$,$Customer D$],[$Number of orders,$18,8],[$Number of deliveries,$10,10],[$Number of items,$2,000,4,000],[$Order value,$$120,000,$$$80,000$