Exam Study Guide Name TRUE/FALSE. Write 'T' if t 1) Cost of goods sold includes the actual costs of the goods sold and customer. 1) he statement is true and'F' if the statement is false. the costs required to sell them to the 2) The three categories of product costs are direct materials, direct labor, and manufacturing overhead. 2) 3) Total work-in-process during the period is the sum of the beginning work-in-process inventory and the total manufacturing costs incurred during the period. 3) 4) Fixed costs per unit change inversely with changes in the volume of activity. 5) Total variable costs change inversely with changes in the volume of activity. 4) 5) 9) Variable marketing ad administrtiv costs r nued if lut hont nompletes the statement or answers the