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ZEE Systems reported total sales of Rs. 204,000 at a price of Rs. 20 and per unit variable expenses of Rs. 12, for the sales of their single product.

	Per Unit 'Rs.'	Total 'Rs.'
Sales	20	204,000
Variable Expenses	12	122,400
Contribution Margin	8	81,600
Fixed Expenses		100,000
Net Operating Income		(18,400)

What is the amount of contribution margin if sales volume increases by 40%