Capital Expenditure On Your Own *1 Gerbes grocery store is considering putting in self-checkout lanes at its stores. To put in one lane, the cost would be $60,000 in technology. Gerbes could sell its current checkout lane setup for $5,000, but it would take one year to receive that cash due to the difficulty in finding a buyer, delivery, etc. The savings in staffing and other costs over the next five years is $10,000 per year. use NPV here. a) Assuming an 8% discount rate, should Gerbes make this investment? b) Gerbes believes that the total staffing savings would change if it was able to replace 3 lanes with new self-checkout lanes to $30,000 in years 13, and $60,000 in years 4-5. Assuming the costs for each new lane setup are still $60,000 each, and assuming Gerbes would receive $5,000 per lane for selling the lanes it has in one year's time, should Gerbes replace 3 lanes? You should keep using the 8% discount rate