[The following information applies to the questions displayed below.]

Hair World Inc. is a wholesaler of hair supplies. Hair World uses a perpetual inventory system. The following transactions (summarized) have been selected for analysis:

a.	Sold merchandise for cash (cost of merchandise $22,797).	$	39,200
b.	Received merchandise returned by customers as unsatisfactory (but in perfect condition) for cash refund (original cost of merchandise $270 ).		450
c.	Sold merchandise (costing $4,038 ) to a customer on account with terms n/60.		8,500
d.	Collected half of the balance owed by the customer in (c).		4,250
e.	Granted a partial allowance relating to credit sales the customer in (c) had not yet paid.		136

1. Compute Net Sales and Gross Profit for Hair World.
2. Compute the gross profit percentage. (Round your answer to 1 decimal place.)
3. Prepare journal entries to record transactions (a)(e). (If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.)
4. Hair World is considering a contract to sell merchandise to a hair salon chain for $13,500. This merchandise will cost Hair World $9,280. What would be the increase (or decrease) to Hair Worlds gross profit and gross profit percentage? (Round "Gross Profit Percentage" to 1 decimal place.)