Campus Stop, Inc., is a student co-op. Campus Stop uses a perpetual inventory system. The following transactions (summarized) have been selected for analysis: a. Sold merchandise for cash (cost of merchandise $143,390). $ 255,700 b. Received merchandise returned by customers as unsatisfactory (but in perfect condition) for cash refund (original cost of merchandise $670). 1,620 c. Sold merchandise (costing $4,950) to a customer on account with terms 2/10, n/30. 11,000 d. Collected half of the balance owed by the customer in (c) within the discount period. 5,390 e. Granted a partial allowance relating to credit sales that the customer in (c) had not yet paid. 1,620 Compute Sales Revenue, Net Sales, and Gross Profit for Campus Stop. Compute the gross profit percentage Prepare journal entries to record transactions (a)(e). Campus Stop is considering a contract to sell merchandise to a campus organization for $8,000. This merchandise will cost Campus Stop $6,800. What would be the increase or decrease to Campus Stop's gross profit and gross profit percentage? TIP: The impact on gross profit (a dollar amount) may differ from the impact on gross profit percentage.