Answer:
Machine A EAC: $ 208,723.12
Machine B EAC: $ 232,343.62
Machina will be better as it has a lower equivalent cost
Explanation:
we will calcualte the net present value of the machines and from there the equivalent annual cost:
Net present value: investment + cash outflow
Machine A
[tex]C \times \frac{1-(1+r)^{-time} }{rate} = PV\\[/tex]
C 46,200
time 4 years
15% discount rate = 0.15
[tex]46200 \times \frac{1-(1+0.15)^{-4} }{0.15} = PV\\[/tex]
PV $131,900
462,000 + 131,900 = $593,900
Now we calcualtethe PTM of a 4 years annuity which present value is 593,900
[tex]PV \div \frac{1-(1+r)^{-time} }{rate} = C\\[/tex]
PV $595,900.00
time 4
rate 0.15
[tex]595900 \div \frac{1-(1+0.15)^{-4} }{0.15} = C\\[/tex]
$ 208,723.123
Machine B will be the same procedure:
[tex]C \times \frac{1-(1+r)^{-time} }{rate} = PV\\[/tex]
C 16,500
time 7
rate 0.15
[tex]16500 \times \frac{1-(1+0.15)^{-7} }{0.15} = PV\\[/tex]
PV $68,647
NPV = $966,647
[tex]PV \div \frac{1-(1+r)^{-time} }{rate} = C\\[/tex]
PV $966,647.00
time 7
rate 0.15
[tex]966647 \div \frac{1-(1+0.15)^{-7} }{0.15} = C\\[/tex]
C $ 232,343.624