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17. A series of five constant-dollar (or real-dollar) payments begins with 8,000 SR at the end of the first year and increases at the rate of 5% per year, Assume that the average general inflation rate is 5% per year and the market interest rate is 12% per year during this inflationary period. What is the equivalent present worth of the series? (select the closest answer) a. 24.259 SR b. 25,892 SR c. 36,413 SR d. 29.406 SR 18. Ahmed would like his family to receive a 25,000 SR per year (in constant dollars) perpetually. How much must he deposit now (year 0) into a savings account so that his family receives this perpetual stream? The market interest rate expected from banks is 1 1%, while the inflation rate is expected to be 4% per year. (select the closest answer) a. 227,272 SR b. 625.000 SR C. 397,728 SR d. 371,471 SR