会计题目求解The inventory of Florence Company was destroyed by fir

会计题目求解
The inventory of Florence Company was destroyed by fire on March 1. From an examination of the accounting records, the following data for the first 2 months of the year are obtained: Sales Revenue $51,600, Sales Returns and Allowances $1,300, Purchases $37,520, Freight-in $1,490, and Purchase Returns and Allowances $1,520.Determine the merchandise lost by fire, assuming:(a) A beginning inventory of $22,780 and a gross profit rate of 45% on net sales.The merchandise lost by fire___________

(b) A beginning inventory of $37,340 and a gross profit rate of 34% on net sales.The merchandise lost by fire_____________-