The first answer is 92,500. Please explain how to get gross margin percentage

Exercise 2.24 Last year, Orsen Company produced 25,000 juicers and sold 26,500 juicers for $60 each. The actual variable unit cost is as follows: Direct materials Direct labor Variable overhead Variable selling expense $16.00 5.30 2.90 2.40 $26.60 Total unit variable cost Fixed overhead was $320,000. Fixed selling expenses consisted of advertising copayments totaling $110,000. Fixed administrative expenses were $236,000. There were no beginning and ending work-in-process inventories. Beginning finished goods inventory was $148,000 for 4,000 juicers. The value of ending inventory reported on the financial statements was a. $55,500 b. $92,500 c. $66,500 d. $39,900