Answer:
A & B
* Alternative 1: Continue with the old machine, the net cash flow will be unchanged, variable production cost per year will be remained at $156,400 =>Cost through 8 years is -156,400 x 8 = $1,251,200
* Alternative 2: Replace the old machine with the new one:
Y0: Cash inflow from selling the old - Cash outflow from buying the new = 64,900 - 484,200 = -$419,300
Y1 - Y8: Variable production cost = -99,000 x 8 = - 792,000
=> Cost through 8 years is -792,000 - 419,300 = $1,211,300
Differential in income of Alternative A and B = 1,251,200 - 1,211,300 = $39,900. Thus, Alternative B resulted in a higher income throughout 8 years.
=> Alternative 2 should be take.
C.
Sunk cost in this situation = Initial cost of old machine - its accumulated depreciation = 598,600 - 348,500 = $250,100
Step-by-step explanation:
Explanation is given in Answer part.