To pay for his academic fees, Tarek, a college student, is selling a computer accessory to other students. His cost to purchase each piece is

$74,

and he is planning to sell the accessories for

$114

each. Fixed costs for advertising amount to

$570.

(a)Compute the contribution margin.

(b)Compute the contribution rate.

(c)Compute the break-even point in units.

(d)Compute the break-even point in sales dollars.

a) The contribution margin per unit is

$

.

(Type a whole number.)

b) The contribution rate is

%.

(Round to two decimal places as needed.)

c) The break-even point in units is

.

(Round up to the nearest unit.)

d) The break-even point in sales dollars is

$

.

(Round to the nearest cent