margin on sales has been 39 percent. Required 1. Estimate the cost of the inventory destroyed by the fire. 2. Identify another reason owners and managers use the gross margin method to estimate inventory on a regular basis. Reauirement 1. Fstimate the cost of the inventorv destroved bv the fire. Requirement 2. Identify another reason owners and managers use the gross margin method to estimate inventory on a regular basis. Another reason owners and managers use the gross margin method to estimate inventory cost on a regular basis is to determine