Valles Global Industries is considering preventive maintenance on a machine. If they spend $5,000,000 now, they will avoid paying $15,000,000 in two years from now. What rate of return did they earn?

Ranade University sold bonds to finance the construction of a new Power Engineering Center. The bonds you are looking at have a face value of $1000, pay 6% semiannually and are due in 4.5 years. What is the purchase price if the yield is:
4%
8%
Valles Global Industries is considering preventive maintenance on a machine. If they spend $5,000,000 now, they will avoid paying $15,000,000 in two years from now. What rate of return did they earn?
Park Equipment Leasing purchased a new milling machine for $1.8 million. They depreciate it using MACRS (5-year property). They lease it to Valles Global Industries for $550,000 a year for eight years. Under the Park-O-Matic leasing option, Valles Global owns the machine after the eight years. Park Equipment leasing uses an After Tax MARR of 12% and pays 38% income tax. Is this a profitable deal for Park Equipment leasing?
Cooper Construction is looking at buying some equipment. They have six options where one is to do nothing at a cost of $0.00 but providing no additional benefits.
Alternative Cost in Millions Before Tax Annual Benefits
Cooper One 0 0
Valles Global 25 7.5
SohnCo 10 3
Beasley Worldwide 5 1.7
Park Equipment 15 5
Stevens Industrial Partners 30 8.7

Cooper Construction pays 40% tax and expects an ATMARR of 10% for new investments. Which option should be selected? (you can only select one.)