XYZ Co. is preparing a budget for 2018. The budgeted selling price per unit is 60 SR, and total fixed costs for 2018 are estimated to be 1,500,000 SR. Variable costs are budgeted at 20 SR/unit.

You are working in accounting department of XYZ, prepare a flexible budget for the volume levels 120,000, 130,000, and 140,000 units.

One internship student having his training in XYZ Co requested you to explain to him the difference between static and flexible budgets and arguments of using each one of them?