Please explain step by step

Problem 5-5 The following information is available for Skipper Pools, a manufacturer of above-ground swimming pool kits 2015 Total 8,680 20,200 10,100 20,200 Units produced Units sold Selling price per unit Direct material per unit Direct labor per unit Variable manufacturing overhead per unit Fixed manufacturing overhead per year Fixed selling and administrative expense per year $4,190 $740 $1,500 $295 $2,280,960 $2,280,960 $1,579,900 2014 11,520 10,100 $4,190 $740 $1,500 $295 $1,579,900 In its first year of operation, the company produced 11,520 units but was able to sell only 10,100 units. In its second year, the company needed to get rid of excess inventory (the extra 1,420 units produced but not sold in 2014), so it cut back production to 8,680 units