Please write out all your work so that I can follow your problem-solving logic. If I can't follow, then I will rate thumbs-down.

Question 6 You've created a small bond portfolio by investing excess corporate cash in two annual-coupon bonds. The YTM for both bonds is 7.5%. Bond Q is a 5-year, 4.5% coupon with a $1,000 face value; current price of $878.62 Bond R is a 6-year, 9.5% coupon with a $1,000 face value; current price of $1,093.88 What is the portfolio duration, that is, the duration of both instruments considered together, using the prices of the bonds. (Hint: This is not just the arithmetic average of the two individual bond durations.) OA OB. OC. OD OE. 4.74 years 4.90 years 5.16 years 5.72 years 5.93 years Question 6 You've created a small bond portfolio by investing excess corporate cash in two annual-coupon bonds. The YTM for both bonds is 7.5%. Bond Q is a 5-year, 4.5% coupon with a $1,000 face value; current price of $878.62 Bond R is a 6-year, 9.5% coupon with a $1,000 face value; current price of $1,093.88 What is the portfolio duration, that is, the duration of both instruments considered together, using the prices of the bonds. (Hint: This is not just the arithmetic average of the two individual bond durations.) OA OB. OC. OD OE. 4.74 years 4.90 years 5.16 years 5.72 years 5.93 years