Please specify the calculation and calculation formula

1. The following data have been developed for a listed company, Happy Cat. The YTM on risk-free Treasury Bills is 4% and is expected to remain at this point for the foreseeable future. Calculate the sample variance of the market return. Show your calculations. Correct your answers to 4 decimal places. [4 marks] Find the sample covariance between the return for Happy Cat and the market. Show your calculations. Correct your answers to 6 decimal places. [4 marks]