Number 3 please

agle Protected View - Seved to - De t er ingeve View the , 2. You plan to deposit an amount into a savings account that pays 3.5% annual interest. How many years you have to wait until your money triples? 3. The Smiths want to go to a cruise trip that will cost $8,800. They plan to set aside the same amount of money every 2 year for the next 6 years (i.e., year 2, 4 and 6). How much this amount should be? Rate is 5%/yr 4. A used car parking lot has the following deal on a $23,000 car. Zero downpayment and $385 monthly payements for 70 months. What is the monthly interest rate they charge? 5. Baby's Joe's grandparents decided to start depositing $2000/year in his 7th birthday and plan to continue doing so unitl his 18th birthday. How much money will be in the account on his 18th birthday, assuming it makes 3.5% per year interest annually. 6. An individual is borrowing $175,000 for a 20 year loan at 3.95% per year compounded monthly, Compute their monthly payment. 7. Continue on Q6: Immediately after the 104th monthly payment, the home owner plans to sell the house. How much money is owed back to the bank? A new road costs $350,000 per lane-mile to construct. It has a service life of 13 years, assuming that $40,000 is spent on maintenance on year 7. At the end of its service life, it has a residual (i.e., salavage) value of $25,00 (i.e., the removed surface material can be sold for gravel). What is the life-cycle cost of this road in annual terms? The annual interest rate is 3%