104) Jamal plans to retire in 17 years. He is saving $2000 every month in a retirement savings account paying him a long-term interest of 9% compounded monthly until retirement. The rate changes following the retirement. He wants $7000 per month paid to him for 20 years after the retirement. At what rate should his savings account pay him to fulfill his dream? (Use the Rate function in Excel) 103) Siri plans to retire when her simple annuity savings account has enough money to receive $10 000.00 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 account pays 4.9% compounded monthly