please answer all parts i attached example

Awoman deposits $12,000 at the end of each year for 15 years in an investment account with a guaranteed interest rate of 7% compounded annually. [a] Find the value in the account at the end of the 15 years. [b] Her sister works for an investment rm that pays 6% compounded annually. I'Tthe woman deposits money wllh this rm instead ofthe one in part {a}, how much will she have in her account at the end of 15 years? [c] How much would she lose or gain over 15 years by investing in her sister's rm? CEEID [a] The woman's deposits form an ordinary annuity, because the deposits are made at the of each period. Therefore, the iom'Iula n+m1 FV= PMT f should be used. The value in the account at the end of the 15 years will be $ '301 5118.26'. (Do not round until the nal answer. Then round to the nearest cent as needed.) [b] She will have a total of 5 2T9 311.64 in her account at her sistefs rm at the end of '15 years. (Do not round until the nal answer. Then round to the nearest cent as needed.) [c] She would lose 5 22,236.62' over '15 years by investing in her sister's rm. (Do not round until the nal answer. Then round to the nearest cent as needed.) A woman deposits $11,000 atthe end of each year for i" 1,rears in an investment account with a guaranteed interest rate of 5% compounded annualty. [a] Find the vatue in the account at the end ofthe 7 years. [[1] Her sister works for an investment rm that pays 4% compounded annually. if the woman deposits moneyr with this rm instead ofthe one in part {a}, how much will she have in her account at the end oi T years? [c] How much would she lose or gain over 7 years by investing in her sister's rm? I\" ..... 1 Ln' [a] The woman's deposits form an 31' because the deposits are made at the ofeach period. Therefore, the formula it should be used