Jackie's Creamery sells fudge, cookies, and popcorn to patrons in the local community. The manager at the creamery sold 13,000 total boxes of merchandise last year. The popcorn outsold fudge by a margin of 2 to 1. The sales of caramels equaled the sales of popcorn. Total fixed costs for Jackie's Creamery total $14,000.

The managerial accountant at Jackie's Creamery reported the following information:

Product	Unit Sales Prices	Unit Variable Cost
Fudge	$ 4	$ 2
Caramels	$ 9	$ 4
Popcorn	$ 6	$ 2

Which formula should the managerial accountant use to determine the number of boxes of each different snack sold?

A. x + y + z = 13,000

B. x + 2x + 2x = 13,000

C. 3x + 2x + x = 13,000

D. none of the above