1: Consider a bond with the following characteristics: Quarterly payments, coupon rate of 7%, $1,000 par value. If 45 days have passed since the last coupon payment, what is the accrued interest? (Assume 364 days in a year)

2: Consider a bond with the following characteristics: Monthly payments, coupon rate of 9%, $1,000 par value. If 5 days have passed since the last coupon payment, what is the accrued interest?

3: There is a bond selling with a modified duration of 13.6 years and convexity of 225. What would a 2% decrease in yield change the percentage price change according to the duration-with-convexity rule?