fast group B please

In August, Joplin Designs sold $510,000 of merchandise; all sales were in cash. The cost of sales for August was $400,000. Based on past experience, Joplin uses an estimated return rate of 3% of sales. GROUP A: Record the journal entries for the 1) monthly sales, 2) cost of sales, 3 estimated returns, and 4) cost of estimated returns for August. Recording the refunds and cost of items returned. GROUP B: Assume that in September, Joplin Designs customers actually ret $150,000 of inventory. Using the same cost of goods sold percentage, the comp would make the following entries to record 1) the refunds and 2) cost of items returne