can someone solve this question

The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature x, the number of days in the month x,, the average product purity x,, and the tons of product produced x . The results of the regression with the electric power as the dependent variable and the remaining x,, X,, x, and x as the independent variable for 12 chemical plants are as follows. Find M. Coef St. Error t Stat Intercept -102.71 207.86 -0.49 x1 0.61 0.37 1.64 x2 8.92 5.30 M=? x3 1.44 K=? 0.60 X4 0.01 0.73 0.02 Select one: O a. 2.63 O b. 12.34 O c. 0.60 O d. 1.68