Village bought

A village bought in the initial year for winter maintenance needs a tractor at a purchase price of 70 000 €. Its value decreases exponentially and after two years has a value of 49 000 €. The maintenance costs grow exponentially, in the first year they are 1 200 € and in the second year they are 2 500 €.

A Find the optimal lifetime of the tractor A:
B - calculation of the average costs for A+1
C - calculation of the residual value of the tractor in the year of optimal lifetime
D - calculation of the maintenance costs in the third year

Many thanks

Your answer:

Eur
Eur


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