Bobby is considering purchasing a new machine that would cost $80,000 and the machine would be depreciated (straight line) down to $0 over its five-year life. At the end of five years, it is believed that the machine could be sold for $15,000. The current machine being used was purchased 3 years ago at a cost of $60,000 and it is being depreciated down to zero over its 5-year life. The current machine's salvage value now is $36,000. Also, a higher level of inventory would be needed in the amount of $6000 for the new machine. The new machine would increase EBDT by $48,000 annually. Bob's marginal tax rate is 34%. What is the initial Investment associated with the purchase of this machine? Group of answer choices a) $51,960 b) $54,080 c) $45,020 d) $57,040