A AED 72,514 The operation and maintenance costs of a factory is estimated to be AED 8,000 for the first 4 years, and expected to by NED 250 per ye interest rate of 7% and study period of 12 years, select the closest correct answers for the below questions from the answers in provided below What is the present worth of base amount? What is the present worth of gradient amount? B. AED 10.972 How much should be set aside now to pay for the maintenance cost? DAED 20,213 What is the equivalent annual cost for the overall maintenance? EAED 87.153 C.AED 88,715 F. AED 23.611 G.AED 53 5421 ending to another question will save this response