If variable manufacturing costs are $9 per unit and total fixed manufacturing costs are $626,400, what is the manufacturing cost per unit if

a.7,200 units are manufactured and the company uses the variable costing concept?

$

b.8,700 units are manufactured and the company uses the variable costing concept?

$

c.7,200 units are manufactured and the company uses the absorption costing concept?

$

d.8,700 units are manufactured and the company used the absorption costing concept?

$