Cost Flow Relationships The following information is available for the first year of operations of Creston Inc., a manufacturer of fabricating equipment: Sales $1,086,000 Gross profit 293,200 Indirect labor 97,700 Indirect materials 40,200 Other factory overhead 18,500 Materials purchased 553,900 Total manufacturing costs for the period 1,198,900 Materials inventory, end of period 40,200 Using the above information, determine the following amounts: a. Cost of goods sold b. Direct materials cost c. Direct labor cost