can someone walk me through all the problems?

LESSES 10-6, 108 Certificates of Deposit and Effective Annual Yield Your money earns interest at a higher rate when you buy a certificate of deposit than it does when you invest it in a regular savings account. Most certificates earn interest compounded daily. The annual yield is the rate at which your money earns simple interest in one year. INTEREST EARNED - AMOUNT - ORIGINAL PRINCIPAL ANNUAL YIELD - INTEREST FOR ONE YEAR PRINCIPAL Use the table below to answer the problems. Annual Rate 8 Years 5.75% 6.00% 6.25% 6.50% 6.75% 7.00% 7.25% 7.50% 7.75% 8.00% AMOUNT PER $1.00 INVESTED, DAILY COMPOUNDING Interest Period 3 Months One Year 2.5 Years 4 Years 6 Years 1.014278 1.059180 1.154458 1.258577 1.411952 1.014903 1.061831 1.161820 1.271224 1.433287 1.015529 1.084489 1.169103 1.283998 1.454945 1.016155 1.067153 1.176431 1.296900 1.476930 1.016782 1.069824 1.183806 1.309932 1.499246 1.017408 1,072501 1.191226 1.323094 1.521900 1.018036 1.075185 1.198693 1.336389 1.544896 1.018663 1.077876 1.206207 1.349817 1.568240 1.019291 1.080573 1.213769 1.363380 1.591936 1.019920 1.083278 1.221376 1.377079 1.615989 1.584017 1.616011 1.648651 1.681950 1.715921 1.750579 1.785936 1.822006 1.858806 1.896348 1. Alicia Cox purchased a 23-year certificate of deposit for $15,000. The certificate earns interest at a rate of 7.00% compounded daily. a. What is the amount of the certificate at maturity? b. What is the interest earned? 2. Charles Demaize purchased an 8-year certificate of deposit for $45.000. The certificate earns interest at 8% compounded daily. a. What is the certificate worth in 8 years? b. What has the certificate earned in those 8 years? 3. The Trues have $30,000 they want to invest in a certificate of deposit. They can purchase a 4-year certificate that earns interest at a rate of 5.75% or a 2-year certificate that earns interest at a rate of 8.00% a. Which certificate offers a higher maturity value? b. What is the difference in the maturity values of the two certificates? 4. What is the annual yield on a 1-year $15,000 certificate of deposit that earns interest at a rate of 7.50% compounded daily? 5. You invest S25,000 in an 8-year certificate of deposit that earns interest at 8% compounded daily. What is the annual yield? 6. Most banks pay higher rates of interest for longer periods of deposit. Why? Unit 1973