Find the simple interest. $1976 at 6.3% for 25 weeks The simple interest is $. (Round to the nearest cent as needed.) Find the simple interest. Assume a 360-day year. $5083.24 at 3.3% for 71 days The simple interest is $]. (Round to the nearest cent as needed.) Find the maturity value and the amount of simple interest earned. $5441 at 7.25% for 7 months The maturity value is $. (Round to the nearest cent as needed.) If $2500 earned simple interest of $98.75 in 6 months, what was the simple interest rate? The simple interest rate is %. (Type an integer or decimal rounded to the nearest tenth as needed.) Find the compound amount for the deposit and the amount of interest earned. $2000 at 6% compounded annually for 4 years The compound amount after 4 years is $ (Do not round until the final answer. Then round to the nearest cent as needed.) Find the compound amount for the deposit and the amount of interest earned. $230 at 3.5% compounded semiannually for 18 years The compound amount after 18 years is $ (Do not round until the final answer. Then round to the nearest cent as needed.)