mcgriff would like to estimate the cost of goods lost by fire on march 9. merchandise on hand on january 1 was $76,000. purchases since january 1 were $144,000; freight-in, $6,800; purchase returns and allowances, $4,800. sales totaled $200,000 to march 9. goods costing $21,800 were left undamaged by the fire; remaining goods were destroyed. compute the cost of goods destroyed, assuming that the gross profit ratio is 25% of sales.