The following information was extracted from the budget for the month ended 31 December 2022:

Sales for the month 15 000 units Selling price per unit R900 Variable manufacturing cost per unit R250 Selling cost per unit R50 Factory overheads (all fixed) R200 000 Fixed administrative cost R100 000

You are required to calculate the following (round off amounts to the nearest Rand or Whole number): 2.1 Marginal income per unit. (5) 2.2 Break-even quantity. (5) 2.3 Break-even value. (5) 2.4 Marginal income ratio. (5) 2.5 Break-even value using marginal income ratio. (5)