National Distributing Company uses a periodic inventory system to track its merchandise inventory and the gross profit method to estimate ending inventory and cost of goods sold for interim periods. Net purchases for the month of August were $31,000. The July 31 and August 31, 2016, financial statements contained the following information:

Income Statements
For the Months Ending
August 31, 2016 July 31, 2016
Net sales $50,000 $40,000

Balance Sheets At
August 31, 2016 July 31, 2016
Assets:
Merchandise inventory $28,000 $27,000

Required:
Determine the company?s cost percentage.

Assume that a local bank sells two services, checking accounts and atm card services. the bank’s only two customers are mr. donethat and ms. beenthere. mr. donethat is willing to pay $8 a month for the bank to service his checking account and $2 a month for unlimited use of his atm card. ms. beenthere is willing to pay only $5 for a checking account, but is willing to pay $9 for unlimited use of her atm card. assume that the bank can provide each of these services at zero marginal cost.refer to scenario 17-5. if the bank is unable to use tying, what is the profit-maximizing price to charge for a checking account