Bittman Company produces picture frames. During its first year of operations, the company produced 10,000 frames and sold 9,000 frames at $12 per frame. The company's cost information includes the following: Direct materials Direct labor Variable manufacturing overhead Variable selling and administrative expenses Fixed manufacturing overhead Fixed selling and administrative expenses $2.00 per frame $3.00 per frame $1.00 per frame $3.00 per frame $20,000 per year $5,000 per year a. Compute the unit product cost under absorption costing b. Compute the unit product cost under variable costing. c. Without doing any calculations, will absorption costing NOI be higher or lower than variable costing? What is the amount of the difference? Explain