To calculate yield, subtract the bill's purchase price from its face value and then divide the result by the bill's purchase price. Finally, multiply your answer by 100 to convert it to a percentage.

Calculating the percentage of bad debtThe basic method for calculating the percentage of bad debt is quite simple. Divide the amount of bad debt by the total accounts receivable for a period, and ...

Multiply this number by 100 to convert to a percentage. Next, multiply the yield you just calculated by 365 and then divide by the number of days in the maturity period that you determined earlier.