Apple allows customers to select different cases for the watches it produces and sells. Assume the following data for the newest Apple Watch.

Cost per Watch

Assembly process costs

Direct materials, excluding case $ $85$

Conversion $165$

Cost per Watch

Custom choices

Aluminum case $ $50$

Titanium case $200$

Compute cost per unit for an Apple watch with either an $($a$)$ aluminum case or $($b$)$ titanium case.

In setting price, assume Apple marks up total cost per unit by $30\%.$ Compute the selling price per unit for an Apple watch with either an $($a$)$ aluminum case or $($b$)$ titanium case.