Johnson Corporation sells primarily two products: (A) consumer cleaners and (B) industrial purifiers.

Its gross margin and components for the past two years are:

Year 7

Year 6

Sales revenue

Product A

$60,000

$35,000

Product B

30,000

45,000

Total

90,000

80,000

Deduct cost of goods sold

Product A

50,000

28,000

Product B

19,500

27,000

Total

69,500

55,000

Gross margin

$20,500

$25,000

In Year 6, the selling price of A is $5 per unit, while in Year 7 it is $6 per unit. Product B sells for $50 per unit in both years. Security analysts and the business press expressed surprise at Johnson”s 12.5% increase in sales and $4,500 decrease in gross margin for Year 7.

Required:

Prepare an analysis statement of the change in gross margin for Year 7 versus Year 6. Discuss and show the effects of changes in quantities, prices, costs, and product mix on gross margin.