The following information is available for the first month of operations of Lane Inc., a manufacturer of mechanical pencils: Sales $416,720
Gross profit 242,950
Indirect labor 90,430
Indirect materials 45,220
Other factory overhead 13,750
Materials purchased 128,350
Total manufacturing costs for the period 239,610
Materials inventory, end of period 17,090

Using the above information, determine the following:

a. The cost of finished goods available for sale minus the ending finished goods inventory. Cost of goods sold.
b. The cost of materials that are an integral part of the finished product. Direct materials cost.
c. The wages of factory workers who are directly involved in converting materials into a finished product. Direct labor cost.