Coco deposited P 100,000 into an account at the beginning of every 4-year period for 40...

Transcribed Image Text:

Coco deposited P 100,000 into an account at the beginning of every 4-year period for 40 years. The account earns interest at an annual effective rate of i. The accumulated value in the account at the end of 40 years is X, which is 5 times the accumulated amount at the end of 20 years. Calculate X. Coco deposited P 100,000 into an account at the beginning of every 4-year period for 40 years. The account earns interest at an annual effective rate of i. The accumulated value in the account at the end of 40 years is X, which is 5 times the accumulated amount at the end of 20 years. Calculate X.