Jellico Sdn Bhd's projected operating income (based on sales of 450,000 units) for the coming year is as follows: Total (RM) Sales Variable cost Contribution margin Fixed cost Operating income Required: 11,700,000 8,190,000 3,510,000 2,254,200 1,255,800 a) Compute the variable cost per unit, contribution margin per unit, contribution margin ratio, break even in units and break even in RM. (10 marks) b) How many units must be sold to earn an operating income of RM296,400? (5 marks) c) For the projected level of sales, compute the margin of safety in units and then in RM. (5 marks)