Based on expected production of 200,000 units, factory overhead costs budgeted for the year were $180,000 $0.90 per unit Variable costs Total fixed costs $70,000 $0.35 per unit Actual production achieved was 180,000 units. Overhead costs incurred were: $160,200 $72,000 Variable costs Total fixed costs $0.89 per unit $0.40 per unit Required: a. The predetermined overhead recovery rate per unit (2 marks) b. The amount of over/under-applied overhead analysed into a spending (budget) variance and a capacity (volumel variance. Favourable (F] or Unfavourable (U) should be included in your variance calculation. (9marks) Show all the workings in your answers