Which of the following statements is true if total product cost per unit is used under the cost price approach to set transfer prices?

a.If total product cost per unit is used under the cost price approach to set transfer prices, indirect materials cost is excluded from transfer price.

b.If total product cost per unit is used under the cost price approach to set transfer prices, indirect labor cost is excluded from transfer price.

c.If total product cost per unit is used under the cost price approach to set transfer prices, only direct materials and direct labor are included in transfer price.

d.If total product cost per unit is used under the cost price approach to set transfer prices, direct materials, direct labor, and factory overhead are included in transfer price.