Required information [The following information applles to the questions displayed below] Warnerwoods Company uses a periodic inventory system. it entered into the following purchases and sales transactions for March. For specific identication, units sold include 70 units from beginning inventory, 450 units from the March 5 purchaso, 140 units from the March 18 purchase, and 220 units from the March 25 purchase. Required: 1. Compute cost of goods avaliable for sale and the number of units avababile for sale