1. No sales tax. (a) Merchandise is sold for $310 cash. (b) Merchandise is sold on account for $405. (c) Payment is received for merchandise sold on account. 2. 5% sales tax. (a) Merchandise is sold for $310 cash plus sales tax. (b) Merchandise is sold on account for $405 plus sales tax. (c) Payment is received for merchandise sold on account. 3. Cash and credit sales, with returned merchandise. (a) Merchandise is sold for $340 cash. (b) $30 of merchandise sold for $340 is returned for refund. (c) Merchandise is sold on account for $280. (d) $30 of merchandise sold for $280 is returned for a credit. (e) Payment is received for balance owed on merchandise sold on account. 4. 5% sales tax, with returned merchandise. (a) Merchandise is sold on account for $420 plus sales tax. (b) Merchandise sold on account for $60 plus sales tax is returned for a credit. (c) Balance on account is received in cash. (d) Merchandise is sold for $250 cash plus sales tax. (e) $50 of merchandise sold for $250 cash plus sales tax is returned for a refund. 5. Sales on account, with 2/10,n/30 cash discount terms. (a) Merchandise is sold on account for $430. (b) The balance is paid within the discount period. (c) Merchandise is sold on account for $270. (d) The balance is paid after the discount period. (a) Merchandise is sold on account for $430. (b) The balance is paid within the discount period. (c) Merchandise is sold on account for $270. (d) The balance is paid after the discount period