iri plans to retire when her simple annuity savings account has enough money to receive $10000.00 per month for twenty years starting at the end of the first month after her retirement. She starts saving $4420 per month. Calculate when should Siri retire from today if her savings accountpays 4.9% compounded monthly.
A) 216 years
B) 1.41 years
C) 18 years
D) 2.41 year
E) 36 years