a a Part 4 Eyll opens a savings account in FIBABANKA with a monthly interest rate of 5 %, solve the questions below accordingly. Assume that the savings rate and lending rate are equal. Each question is independent. Eyll wants to buy a computer and she starts to deposit 450 TL each month to her account. After how many months can she buy the computer she wants that will cost 15.000 TL in the future? (Do not round the number.) She starts saving 120 TL into her account each month. She plans to save for one and a half years and use the saved money to buy a new smartphone. If the smartphone costs 7800TL at the end of eighteen months how much more money does she need to pay on top of her savings to buy the smartphone? in the begining Eytal deposits 12,000 TL into her account and plans to deposit some amount to this account every month, so that she could buy her first car which will cost 155,000 TL at the end of 3 years. How much money does she need to deposit each month to buy her car after 3 years? (Return a positive number.) b c