Answer:
$1.6
Step-by-step explanation:
Incremental cost or saving is the additional cost or extra savings made from acquiring an extra unit of product or using another medium to acquire a product.
Cost of production
Direct Materials - 9.40
Direct labor - 23.40
Overhead - 15.40
Total cost of production - 48.20
Cost of purchase
Cost - 42.87
Overhead - (15.4*45%) - 6.93
Total Cost of purchase =49.8
Incremental cost of buying - $1.6