15. Eloise plans to accumulate 50,000 at the end of 40 years. She makes the following...

   

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15. Eloise plans to accumulate 50,000 at the end of 40 years. She makes the following deposits: (i) X at the beginning of years 1 - 15; (ii) No deposits at the beginning of years 16 - 25; (iii) Y at the beginning of years 26 - 40. The annual effective interest rate is 4%. You are given that X - Y = 120. Calculate Y. 15. Eloise plans to accumulate 50,000 at the end of 40 years. She makes the following deposits: (i) X at the beginning of years 1 - 15; (ii) No deposits at the beginning of years 16 - 25; (iii) Y at the beginning of years 26 - 40. The annual effective interest rate is 4%. You are given that X - Y = 120. Calculate Y.