5) a. Suppose that you have a plan to pay RO B as an annuity at the end of each month for 4 years in the Bank Muscat. If the Bank Muscat offer discount rate E % compounded monthly, then compute the present value of an ordinary annuity. b. If you have funded RO (B x E) at the rate of () % compounded quarterly as an annuity to charity organization at the end of each quarter year for C months, then compute the future value of an ordinary annuity. c. If y = (Dx² - 2x)(4x +Dx²), dy i. Find the dx ii. Find first derivative, second derivative and third derivative for y

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