1. A financing offers you $250,000 with weekly payments of $1,200 for 5 years. What interest rate does he charge?

2. You decide to open a savings account making deposits of $3,000 biweekly for only 2 years, continuing with deposits of $10,000 semi-annually for the next 2 years only, and later with deposits of $25,000 annually for the next 2 years. How much is accumulated in the account at the end of year 6? Consider the following: Deposits are made at the end of each period, the interest rates to consider are (0.0050) biweekly, (0.0616) semiannually, and (0.1271) annually.