10 11 2 3 4 Question 6 A factory suggested a maintenance cost of AED 8,000 per year for 9 years and an increment of AED 750 p AED 3000 at the end of year 5. Assume an interest rate of 6% and operation of 12 years, select the closest options provided below. What is the present worth of base amount? a. AED 2,327 What is the present worth of gradient amount? b. AED 69,397 How much should be set aside now to pay for the maintenance cost? c. AED 50,143 What is the equivalent annual cost for the overall maintenance? d. AED 67,070 e. AED 12,600 f. AED 78,889 g. AED 8,277 A Moving to another question will save this respor/se