Variable cost method of product pricing

Smatt stream inc. uses the variable vost method of applying the cost$-$plus approach to product pricing. The cost of producing and selling $10,000$ cell phones are as follows:

Variable cost per unit $150$

Direct materials $25$

Direct labor $40$

Factory overhead $25$

Total variable cost per unit $240$

Fixed cost

Factory overhead $350,000$

Selling and administrative expenses $140,000$

Smart stream desires a profit equal to a $30\%$ return on invested assets of $1,200,000$

A$.$ Determine the variable cost and variable cost amount per unit for thr production and sale of $10,000$ cell phones.

Total bariable cost $$?$

Cost amount per unit $$?$

b$.$ Determine the variable cost markup percentage for cell phone. Round to two decimal places. $?\%$

c$.$ Determine the selling price of cell phones. Of required, around to the nearest dollar.

$?$ Per cell phone