Door Corporation sold laser pointers for $13 each in 2017. Its budgeted selling price was $15 per unit. Other information related to its performance is given below: Actual Budgeted Units made and sold 28.100 28,300 Variable costs $ 102,000 $2 per unit Fixed coats $ 59,000 $ 61,000 Calculate Door's flexible budget for (a) revenues, (b) variable costs, (c) fixed costs, and (d) operating income. Calculate Door's flexible budget for (a) revenues. Begin by determining the formula and then solve for the amount Flexible budget for revenues x | = | Calculate Door's flexible budget for (b) variable costs. Begin by determining the formula and then solve for the amount x Flexible budget for variable costs x Calculate Door's flexible budget for (c) fixed costs. Door's flexible budget for fixed costs is $ Calculate Door's flexible budget for (d) operating Income. Begin by determining the formula and then solve for the amount. (Abbreviations used: rev = revenue, vc = variable costs, fc = fixed costs.) Flexible budget for operating income