Answer:
a) Sell off the boat and pay back the loan and retain the extra money rather than produce nothing and experience a loss of $25,000
b) if it produces
1. If it produces 0 than 0 - 10 = -10
2. If it produces 60 than 60 - 60 = 0
3. If it produces 120 than 120 - 80 = 40
4. If it produces 180 than 180 - 110 = 70
5. If it produces 240 than 240 - 165 = 75
6. If it produces 300 than 300 - 245 = 55
Hence the maximum profit is $75