Can you please show me step by step on how to solve and also how to solve and input the formulas through excel. I don't understand how to solve this problem.

14-1: Automotive Parts Distributor Sales Annual Retail Registered Personal Sales(Smil) Outlets Autos Income Age of Auto Supervisors 37.702 1739 9.27 85.4 3.5 24.196 1221 5.86 60.7 5 32.055 1646 3.81 68.1 4.4 7 3.611 120 3.81 20.2 4 5 CO 17.625 1096 10.31 33.8 3.5 9 45.919 2290 11.62 95.1 4.1 13 10 29.6 1687 8.96 69.3 4.1 15 11 8.114 241 6.28 16.3 5.9 11 12 20.116 649 7.77 34.9 5.5 16 13 12.994 1427 10.92 15.1 4.1 10 14 15 16 17 Regression Equation 18 19 20 21 Interpretations for B 22 X B Interpretation 23 Intercept 24 Retail Outlets 25 Registered Autos 26 Personal Income 27 Age of Auto 28 Supervisors 29 30 Predicted Sales Predict the Sales for 1946 retail outlets, 8.65 registered autos, income of 93.2 billion, age of 4.8 31 years, and 12 supervisors