Kristen Montana operates a retail clothing operation. She purchases all merchandise inventory on credit and uses a periodic inventory system. The accounts payable account is used for recording inventory purchases only; all other current liabilities are accrued in separate accounts. You are provided with the following selected information for the fiscal years 2008, 2009, 2010, and 2011.

2008

2009

2010

2011

Inventory (ending)

$13,000

$ 11,300

$ 14,700

$ 12,200

Accounts payable (ending)

20,000

Sales

225,700

227,600

219,500

Purchases of merchandise

inventory on account

146,000

145,000

129,000

Cash payments to suppliers

135,000

161,000

127,000

Instructions

(a) Calculate cost of goods sold for each of the 2009, 2010, and 2011 fiscal years.

(b) Calculate the gross profit for each of the 2009, 2010, and 2011 fiscal years.

(c) Calculate the ending balance of accounts payable for each of the 2009, 2010, and 2011 fiscal years.

(d) Sales declined in fiscal 2011. Does that mean that profitability, as measured by the gross profit rate, necessarily also declined? Explain, calculating the gross profit rate for each fiscal year to help support your answer. (Round to one decimal place.)