Answer:
Net profit $15,000
Step-by-step explanation:
Total Cost Saving and Benefit of Buying outside
Total Cost Other than fixed cost $95,000
($12 + $2 + $5) × 5,000
Fixed cost $15,000
($3 × 5,000)
Additional income $40,000
Total saving $1,50,000
Cost Of buying $1,35,000
($27 × 5,000)
Net Benefit $15,000
($150,000 - $135,000)