Deliza Felix operates the retailer Balance Sports Shoes. The following information relates to January 2021. Balance Sports Shoes had opening balances of Bank $15,800, inventory of $4,200 and Capital January 1 Returned to the suppliers $400 of the opening inventory and received cash. 12 Purchased additional sports shoes on credit from the supplier for $6,000. 18 Sold sport shoes for $3,000 on credit to the customer (Cost price to Balance Sports Shoes $1,200) 21 Customer who purchased sports shoes on the 18 January returned $300 in sports shoes (cost price to Balance Sports Shoes $120). The sport shoes can be resold to other customers. 31 The closing stock take at year-end revealed an inventory balance of $8,600. Required: (a) Prepare the Trial Balance under the perpetual method at 31 January. (b) Explain three advantages for Balance Sports Shoes in using the perpetual inventory method