Answer:
Asset U
Explanation:
Reward-to-volatility ratio for Asset Q = Expected return / standard deviation
Reward-to-volatility ratio for Asset Q = 6.5% / 5.5%
Reward-to-volatility ratio for Asset Q = 1.1818
Reward-to-volatility ratio for Asset U = Expected return / standard deviation
Reward-to-volatility ratio for Asset U = 8.8% / 5.5%
Reward-to-volatility ratio for Asset U = 1.6
Reward-to-volatility ratio for Asset B = Expected return / standard deviation
Reward-to-volatility ratio for Asset B = 8.8% / 6.5%
Reward-to-volatility ratio for Asset B = 1.3538
The investor should prefer Asset U because its has the highest reward to volatility ratio among the three options.