Answer:
Prime costs= $480,000
Explanation:
Giving the following information:
Grin produced 4,000 cameras with the following costs:
Direct materials $400,000
Direct labor 80,000
Manufacturing overhead 320,000
To calculate the prime costs we need to use the following formula:
Prime costs= direct material + direct labor
Prime costs= 400,000 + 80,000= $480,000