I have one problem the question you solve before in the second part I dont understand the calculation please you do this in more brief

thank you

Lett's commercial paper is currently selling at a discount. It sells for 98.34 of par and matures in 100 days. (Use 365 days a year. Do not round intermediate calculations. Round the final answers to 2 decimal places.) a. Calculate its yield as quoted in the market. Yield b. Calculate its effective annual yield. Effective annual yield