On March 12, Klein Company, Inc. sold merchandise in the amount of $7,800 to Babson Company, with credit terms of 2/10, n/30. The cost of the items sold is $4,500. Klein uses the perpetual inventory system. On March 15, Babson returns some of the merchandise. The selling price of the merchandise is $600 and the cost of the merchandise returned is $350. Babson pays the invoice on March 20, and takes the appropriate discount.
The journal entry that Klein makes on March 20 is:

a) Sales returns and allowances 600
Accounts receivable 600
b) Merchandise inventory 350
Cost of goods sold 350
c) Sales returns and allowances 600
Accounts receivable 600
d) Accounts receivable 600
Sales returns and allowances 600
e) Accounts receivable 600
Sales returns and allowances 600
f) Cost of goods sold 350
Merchandise inventory 350
g) Sales returns and allowances 350
Accounts receivable 350

1. alwaysrain irrigation, inc. would like to determine capacity requirements for the next four years. currently, two production lines are in place for making bronze and plastic sprinklers. three types of sprinklers are available in both bronze and plastic: 90-degree nozzle sprinklers, 180-degree nozzle sprinklers, and 360-degree nozzle sprinklers. management has forecast demand for the next four years as follows: both production lines can produce all the different types of nozzles. the bronze machines needed for the bronze sprinklers require two operators and can produce up to 12,000 sprinklers. the plastic injection molding machine needed for the plastic sprinklers requires four operators and can produce up to 200,000 sprinklers. three bronze machines and only one injection molding machine are available. what are the capacity requirements for the next four years? (assume that there is no learning.)