Question 13 The amount of P20,000 was deposited in a bank earning an interest of 6.5% per annum. Determine the total amount at the end of 7

I need help with this problem I'm getting the final answer as 13,565.24 but it is incorrect.  The correct answer is 16,247 using the annuity formula. please solve and show all of your work

☐ Your company plans to buy a new vehicle, with a loan payment of $400 per month for 60 months. You estimate that the cost of gas will be $50 in the first month and increase by 1% each month. What is the present equivalent of the loan and gas costs for the vehicle over the 60 months of the loan, assuming an interest rate of 8%? Typed numeric answer will be automatically saved.

A person is planning to open a retirement account. He plans is to deposit $1,000 per month for next 45 years. This person visits four local banks and recorded the interest rates: Bank A) 0.08% per month compounded monthly Bank B) 6.2% per year compounded continuously Bank C) 8% per year compounded monthly Bank D) 7% per year compounded semi-annually Determine 1) Which bank should be selected? 2) How much money will be accumulated in 45 years in the selected bank?