Elkins, a manufacturer of ice makers, realizes a cost of $250 for every unit it produces. Its total fixed cost equals $5million. If the company manufactures 500,000 units, compute the following:

a. Unit cost

b. Markup price if the company desires a 10% return on sales

c. ROI price if the company desires a 20% return on investment

d. ROI price if the company desires a 25% return on an investment of $1 million.