Must show work for acceptance and must follow the guidelines in the question

Consider the following stream of payments over a 311] year period. {i} Payments of me every quarter, at the beginning of each quarter, for 1 years. [ii] Payments of 25D uniannually, at the lid of every halfyear, for the next 1D years. {iii} For the nal l years the payments are as follows: i. Payments are made every months, at the end of the period. ii. The rst payment is E. iii. Eaeh subsequent payment increases by 50$ The interest in the rst It] years is slim} = %, the next II] is annual e'eetive rate i = 8% and over the nal 1D years is im = 7%. Without converting the interest rates, nd the east of such an annuity