Compute net sales, gross profit, and the gross margin ratio for each separate case a through d....

Compute net sales, gross profit, and the gross margin ratio for each separate case a through d. Interpret the gross margin ratio for case a.

Â	a	b	c	d
Sales	$130,000	$512,000	$35,700	$245,700
Sales discounts	4,200	16,500	400	3,500
Sales returns and allowances	17,000	5,000	5,000	700
Cost of goods sold	76,600	326,700	21,300	125,900