please show steps, thank you

Date 3/1/2020 4/1/2020 5/1/2020 6/1/2020 7/1/2020 8/1/2020 9/1/2020 10/1/2020 11/1/2020 12/1/2020 1/1/2021 2/1/2021 R(Ford) 5.38% 12.18% 6.48% 8.72% 3.18% -2.35% 16.07% 17.46% -3.19% 19.80% 13.30% -1.80% R(GM) 8.58% 16.11% -2.24% -1.62% 19.04% -0.13% 16.69% 26.96% -5.02% 21.71% 10.62% -2.80% Average St. Dev. 7.93% 7.98% 8.99% 11.10% 3. Based on the table above, what is correlation between stocks Ford and GM? a. 0.00681 b. 0.00625 c. 0.52741 d. 0.70489 e. 0.76897