You've observed the following returns on Crash-n-Burn Computer's stock over the past five years: 5 percent, -9 percent, 29 percent, 21 percent, and 13 percent. Requirement 2: (a)What was the variance of Crash-n-Burn's returns over this period? (Do not round intermediate calculations.) 0.01743 (Click to select) 0.01743 0.01722 0.02152 0.01958 0.02261 (b)What was the standard deviation of Crash-n-Burn's returns over this period? (Do not round intermediate calculations.) 13.12% (Click to select) 17.46% 13.12% 14.67% 15.04% 11.88%