Product cost method of product costing

MyPhone, Inc. uses the product cost method of applying the cost$-$plus approach to product pricing. The costs of producing and selling $4,570$ cell phones are as follows:

Variable costs per unit:

Fixed costs:

Factory overhead $$200,100$

Selling and administrative expenses $69,700$

MyPhone desires a profit equal to a $16\%$ return on invested assets of $$598,800.$

a$.$ Determine the amount of desired profit from the production and sale of $4,570$ cell phones.

$

b$.$ Determine the product cost per unit for the production of $4,570$ cell phones. Round your answer to the nearest whole dollar.

$

$x$ per unit

c$.$ Determine the product cost markup percentage for cell phones. Round your answer to two decimal places.

$\%$

d$.$ Determine the selling price of cell phones. Round your answers to the nearest whole dollar.