I need help solving b please

Leon Legler requires an estimate of the cost of goods lost by fire on March 9. Merchandise on hand on January 1 was $34, 700. Purchases since January 1 were $75, 900; freight-in, $3, 300; purchase returns and allowances, $2, 400. Sales are made at 33 1/3% above cost and totaled $107, 300 to March 9. Goods costing $10, 700 were left undamaged by the fire; remaining goods were destroyed. Compute the cost of goods destroyed (Round gross profit percentage and final answer to decimal places, e.g.15% or 125.) Cost of goods destroyed $ 20325 Compute the cost of goods destroyed, assuming that the gross profit is 33 1/3% of sales. (Round ratios for computational purposes to 5 decimal places, e.g. 78.72345% and final answer to decimal places, e.g. 28, 987.) Cost of goods destroyed $ ______________