please solve all the two points

You are a management accountant at Prince Rupert company. Your line manager has given you to do variance analysis. The company sold 13000 units of product A, whereas it budgeted 12000 units. Actual revenue from the sales was $ 7,150 whereas it budgeted $ 42,000. Variable cost per unit was $ 20, whereas the company estimated $ 21. Budgeted Fixed Costs was $ 12,000 whereas the actual fixed costs were $ 14,000. Your manager has asked you the followings. i. Your manager has asked you to prepare the flexible budget variance and sales volume variance. ii. Comment on your findings from question i, How can the manager use the variance analysis to make data driven decision