The following information is available for the first year of operations of Creston Inc., a manufacturer of fabricating equipment: Sales $1,261,800 Gross profit 340,700 Indirect labor 113,600 Indirect materials 46,700 Other factory overhead 21,500 Materials purchased 643,500 Total manufacturing costs for the period 1,393,000 Materials inventory, end of period 46,700

Using the above information, determine the following amounts:

a. Cost of goods sold $ 921,100
b. Direct materials cost $ 550,100
c. Direct labor cost $ 731,900