Given the relationship between risk and return, which company did we expect would have the greatest amount of variability or risk? O A. Walmart O B. Target O C. Costco O D. Dollar General 8/1/2021 7/1/2021 6/1/2021 5/1/2021 4/1/2021 3/1/2021 2/1/2021 1/1/2021 12/1/2020 11/1/2020 10/1/2020 Walmart Target 5.23% 0.75% 1.08% 7.99% -0.32% 6.88% 1.52% 9.49% 3.43% 4.64% 4.55% 8.36% -7.52% 1.25% -2.18% 2.63% -5.65% -1.26% 10.12% 17.94% -0.83% -3.30% Costco 3.59% 8.61% 4.60% 1.88% 5.56% 6.70% -6.08% -4.01% -3.83% 9.76% 0.74% Dollar General 2.50% 7.51% 6.62% -5.29% 5.99% 7.21% -2.72% -7.46% -3.79% 4.91% -0.43%