Computing Product Costs Using Activity$-$Based Costing. Ralston Company identified the following activities, estimated costs for each activity, and identified cost drivers for each activity for this coming year. $($These are the first three steps of activity$-$based costing.$)$

Activity

Production setup

Materials handling

Quality control

Total

Estimated Annual Overhead Costs

Estimated Annual

Cost Driver Activity

$100$ production runs

$10,000$ yards purchased

$800$ inspections

The company produces two products, MX$1$ and MX$2.$ Information about these products for the month of July follows:

Direct materials cost per unit

Direct labor cost per unit

Overhead cost per unit

Product cost per unit

Units produced

Number of production runs

Yards of material purchased

Number of inspections

$\backslash$table$[[,M1,$MX$2],[$Direct materials cost per unit,$$,20,$$$,30],[$Direct labor cost per unit,,$15,,45],[$Overhead cost per unit,,?,,?