AA maximum Ltd. manufactures bicycles. Two types of bicycles produced are BWB100 and CSX300. The following data relates to the products.

	BWB100	CSX300
Selling price per unit	$560	$850
Direct material	$120	$160
Direct labour	$225	$450
Variable overhead	$12	$15
Variable selling costs	$5	$8
Total variable cost/unit	$362	$633

Highly skilled staff are required to manufacture the bicycles and this is in short supply, thus considered to be a scarce resource. It takes 3 labour hours to produce one BWB100 and 6 labour hours to produce one CSX300.

1. AA maximum Ltd. only has a maximum of 2000 labour hours per day and the daily demand for BWB100 is 400 units. There is unlimited demand for CSX300. How many units of each type of the bicycle should be produced to maximize the total contribution margin?