Romina Ltd manufactures three different product lines, Model A, Model B, and model C. Considerable market demand exists for all models. The following per unit data apply:

	Model A	Model B	Model C
Selling price	$844	$871	$869
Direct materials	$66	$63	$79
Direct labour ($80 per hour)	1.2 hours	1.7 hours	1.3 hours
Variable support costs	$146	$187	$182
Machine-hours per unit	2 hours	0.8 hours	2.5 hours

Calculate the highest operating income (rounded using two decimals) the company could achieve using the short-run profit maximising strategy if the maximum machine-hours available are 4,043 per month. Total fixed costs per month are $950,000.

corect answer is 1,501,068.75 0.1. how did they get this?