The following information is available for Renteria Manufacturing Company for the month ending March 31, 2008:

Cost of goods manufactured ... $265,000
Selling expenses ......... 85,000
Administrative expenses ....... 45,000
Sales ............. 540,000
Finished goods inventory, March 1 ... 60,000
Finished goods inventory, March 31 . 55,000

For the month ended March 31, 2008, determine Renteria’s
(a) Cost of goods sold,
(b) Gross profit, and
(c) Net income.