Tim Legler requires an estimate of the cost of goods lost by fire on March 9, writing homework help

Could you assist me with this (1) accounting problem and a breakdown of how the problem is completed by 5pm today 7/17/16?

Tim Legler requires an estimate of the cost of goods
lost by fire on March 9. Merchandise on hand on January 1 was $38,110.
Purchases since January 1 were $92,740; freight-in, $4,400; purchase returns
and allowances, $2,300. Sales are made at 33 1/3% above cost and totaled
$131,400 to March 9. Goods costing $11,010 were left undamaged by the fire;
remaining goods were destroyed.

(a) Compute the cost
of goods destroyed.

Cost of goods destroyed 

$___________________________

(b) 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 0 decimal places, e.g. 28,987.)

Cost of goods destroyed 

$________________________________