Laser Tex Inc. manufactures low-end computer components within a relevant range of 100,000 to 140,000 disks per year. Within this range, the following partially completed manufacturing cost schedule has been prepared: Cds produced ......................100,000 120,000 140,000 Total costs: Total variable costs.....$40,000 (d) (j) Total fixed costs.........84,000 (e) (k) Total costs...............$124,000 (f) (l) Cost per unit: Variable cost per unit.....(a) (g) (m) Fixed cost per unit........(b) (h) (n) Total cost per unit.........(c) (i) (o) Complete the cost schedule, identifying each cost by the appropriate letter (a) through (o)