Quiz Sales revenue $1 350 000 Manufacturing costs Variable $585 000 Fixed $270 000 Selling costs Variable $40 500 Fixed $54 000 Administrative costs Variable $184 500 Fixed $108 000 Econ Pty Ltd produced and sold 45 000 units of a single product last year. Data concerning the year's profit and loss statement are as above: What was Econ's total contribution margin for the year