Emma runs a doll shop She enters the following transactions during the month of June June 1- Beginning inventory of s dolls at $6 each June 5 - Purchases 120 dolls at $10 each June 13. Purchases 50 dolls at $12 eac each June 14 - Sold 70 dolls at $20 each How many dolls does she have at the end of the month? The periodic inventory system was wed Calculate the inventory cost and cost of merchandise sold using the three main methods (LIFO, FIFO and WAC)