Charlie Shine has written a self-improvement book. The following are its pricing and cost details:

Selling price$18.00 per book

Variable cost per unit:

Production$3.50

Selling & administrative1.90

Fixed costs:

Production$33,600 per year

Selling & administrative15,540 per year

Charlie Shine expects to sell 6,000 books next year. What is the margin of safety in sales dollars?

Group of answer choices

$26,460

$70,200

$37,800

$11,300