John and Rosamond want to retire in 5 years and can save $170 every three months. They plan to deposit money at the end of each quarter into a account paying 6.72% compounded quarterly. How much will they have at the end of 5 years? Round to nearest cent.

Shayla deposited $6,000 into an account earning 5% interest per year, compounded every 6 months. She then added $1000 into the account at the end of each 6 month period over 12 years. How much money will be in the account at the end of the 12 years? Round to the penny $

Karen borrowed $2000. How much will she pay back in 1 year if she is charged 2% a year, compounded semi-annually?

A couple needs $55,000 as a down payment for a home. If they invest the $40,000 they have at 8% compounded quarterly, how long will it take for the money to grow to $55,000? (Round your answer to the nearest whole number.)yr