Answer:
The cross over is at 1800 units annually. for volumes over 1800, the process focus is cheaper.
Explanation:
The crossover is at 1800 units annually.
For volumes under 1800, the process focus is cheaper and lesser; for volumes that are over 1800 units, the repetitive manufacturing focus is cheaper and lesser
Fixed cost ÷ variable cost
$90000÷50 =$1800
$9,000÷5=$1800