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# Lydia purchased a $100,000 150-day T-bill when the prevailing yield on T-bills was 4. She sold the T-bill 60 days later when the prevailing yield...

2. Lydia purchased a $100,000 150-day T-bill when the prevailing yield on T-bills was 4.5%. She sold the T-bill 60 days later when the prevailing yield was 4.2%. What interest rate did Lydia earn during the 60-day period?

3.How much difference can 1% make? Compare the value of an investment of $10,000 after 25 years if it earns 6% compounded annually instead of 5% compounded annually? Calculate the difference in dollars and as a percentage of the smaller maturity value.

4.Nelson borrowed $5000 for 4 ½ years. For the first 2 ½ years, the interest rate on the loan was 8.4% compounded monthly. Then the rate became 7.5% compounded semiannually. What total amount was required to pay off the loan if no payments were made before the expiry of the 4 ½-year term

5. A loan of $4000 at 7.5% compounded monthly requires three payments of $1000 at 6, 12, and 18 months after the date of the loan, and a final payment of the full balance after two years. What is the amount of the final payment?