I dont know how to get those answer ,please provides these progresses. Thank you very much !

1. An investor buys $1,000,000 30-day commercial paper for $995,450. The yield on this commercial paper is

*a. 5.56%.

2. The yield on a $100,000 face value Treasury note priced at $97,500, maturing in 181 days is

*d. 5.17%.

3. The yield on a 91-day Treasury note is 5.35%. What is the price of the $1000 T-note?

*b. $986.84

4. The yield on a $100,000 Treasury note maturing in 71 days is 4.86% today. The original maturity of the T-note was 181 days. What is the price of the T-note today?

*c. $99,063.48

5. An institutional investor agrees to buy Treasury notes from a securities dealer for $997,250, and promises to sell the securities back to the dealer in 4 days for $997,575. The yield on this reverse repo for the investor is

*a. 2.97%