please help me answer those question asap. also please make sure the answers is correct. thanks

How much should Ian's dad invest in a savings account today, to be able to pay for Ian's rent for the next four years, if the rent is $700, payable at the beginning of each month? The savings account earns 3.92% compounded monthly. Lush Gardens Co. bought a new truck for $68,000. It paid $6,800 of this amount as a down payment and financed the balance at 5.75% compounded semi-annually. If the company makes payments of $2,200 at the end of every month, how long will it take to settle the loan? years months Express the answer in years and months, rounded to the next payment period