Answer:
$82,580
Explanation:
We can calculate the estimated amount of inventory destroyed in the flood by deducting the cost of goods sold by the cost of goods available for sale.
DATA
Beginning Inventory  = $215,950  
Inventory purchased  = $192,730
  Sales = $543,500
Calculation 
Inventory destroyed  Iestimated) =    Cost of Goods available for sale - Cost of Goods Sold 
Inventory destroyed  Iestimated) =  $408,680  - $326,100
Inventory destroyed  Iestimated) = $82,580
Working
Cost of Goods available for sale  = Beginning Inventory + Inventory purchased
Cost of Goods available for sale = $215,950   + $192,730
  
Cost of Goods available for sale = $408,680
Cost of Goods Sold  = Sales  - Gross Profits 
Cost of Goods Sold = $543,500  - ($543400 x 40%)
Cost of Goods Sold = $
326,100