$1.$ If you invest $$100,000$ at an annual interest rate of $8\mathrm{.}5\%,$ how much will it be worth in $5$ years?

$2.$ You want to have $$5,000$ in $4$ years, and the annual interest rate is $5\%.$ How much should you invest today to achieve this future goal?

$3.$ You invest $$1,200$ today, and it grows to $$1,500$ in $3$ years. What is the annual interest rate of your investment?

$4.$ You deposit $$500$ at the year, and after a certain period, the total future value is $$3,000.$ What is the time period for this investment, assuming an annual interest rate of $6\%?$

$5.$ If you deposit $$2000$ at the end of each year for $5$ years into an account with an annual interest rate of $10\%,$ what will be the future value of your investment?

$6.$ If you deposit $$800$ at the end of each year for $6$ years into an account with an annual interest rate of $7\%,$ what will be the future value of your investment?

$7.$ If you want $$800,000$ at the end of $10$th year. What will be the amount you have to deposit at the end of each year to achieve that target. Annual interest rate is $10\%?$

$8.$ You are planning to buy a car, but your dream car doesn$$t fall into your budget. You plan to invest your monthly savings of $25,000$ into a bank to buy a car. After $5$ years with the annual interest rate of $12\%,$ what amount you will get?

$9.$ You want to grow your yearly investments to $4$million after $5$ years. Now what amount you have to deposit yearly so that you will achieve your target. Annual interest rate is $12\mathrm{.}5\%.$

$10.$ If you deposit $$20,000$ at the end of each year for $8$ years into an account with an annual interest rate of $7\%,$ what will be the future value of your investment?