Using your answers from part (b) and your answer from part (d), calculate by hand an approximation of the parameter estimate on the variable profits from simple regression SALARY- B + B PROFITS +E. f) Showing your work, what is your estimate of B, ? b) What is the covariance between the variables salary and profit? Co-Variance is below. salary profits salary | 3.0e-06 profits | 983973 2 de+06 d) What is the interpretation of the parameter estimate on the variable profits? Every $1000 profit will increase one's salary by 5316129 thousand