Dunn Company produced 500 units during its first month of operations and reported the following costs: Direct labor $40,000 Direct materials $65,000 Fixed administrative expense $62,000 Fixed manufacturing overhead $30,000 Fixed selling expenses $44,000 Variable administrative expense $12,000 Variable manufacturing overhead $15,000 Variable selling expense $13,000 What is the amount of Dunn's period costs? a. $145,000 b. $136,000 c. $131,000 d. $150,000 Dunn Company produced 500 units during its first month of operations and reported the following costs: Direct labor $40,000 Direct materials $65,000 Fixed administrative expense $62,000 Fixed manufacturing overhead $30,000 Fixed selling expenses $44,000 Variable administrative expense $12,000 Variable manufacturing overhead $15,000 Variable selling expense $13,000 What is the amount of Dunn's total manufacturing costs? a. $105,000 ob. $145,000 O c. $ 45,000 d. $150,000