w QUESTION 4 4, Your aunt is saving for retirement in 15 years. She plans to invest in a brokerage account. How much will she have at retirement under cach scenario? a. She deposits $1,000 in the brokerage account each month until she retires and she earns12% interest b. She deposits $45,000 in year 2, 560,000 in year 9, und $75,000 in year 12 in the brokerage account and she cans 12% interest compounded monthly She deposits $50,000 today and $7,500 in the brokerage account each year until she retires and she earns 12% interest Equations d. PV (annuity) - CH-)] FV (annuity) - C/(1+r)-11/ EAR-(1 + (Annual rate/m]- PV (uneven cash flows) - Co+C++ C2X1+r)2 +...C/CI+) FV (uneven cash flow) - Co(1+zy6.0 + C1 (1+r) t-+C2 (1+r) 62 ...+