copr. Goulil Select financial data for Bora Co. are presented below. Sales quantity 400 units Sales $90 per unit Variable costs $36 per unit Fixed costs $9,000 If variable costs increase by $6 per unit and fixed costs increase by $900. what Aarthe effect of this change on net income (hint: compute the original net income and compare it to the adjusted net income)? $8,400 decrease $3,300 increase $8,400 increase $3,300 decrease