Please provide all necessary journal entries for the following Josh sold $30,000 worth of goods to Sigma Ltd., terms 2N30 Sigma Ltd. Returned $900 worth of goods in the second week. On due date, Josh received net amount Andrea sold $960 worth of goods to Karen on credit, terms N15 Karen could not pay the amount, she paid only 80% after 2 months. and could not pay the balance. Please write off the balance