Kerensky Corporation, a wholesale company, has provided the following data:

Sales per period

1,000 units

Selling price .

$35 per unit

Variable production cost

$15 per unit

Selling expenses

$5,000 plus 5% of selling price

Administrative expenses

$3,000 plus 10% of selling price

The contribution margin ratio is closest to:

A) 57%

B) 58%

C) 42%

D) 62%