Murphy Inc had original sales and cost data for the month of February as follows: If the company could sell 1,200 more units in the following month, what would be the change in net income? Increase by $9,000 B Increase by $34,200 Decrease by $7,400 Increase by $21,600 Murphy Inc had original sales and cost data for the month of February as follows: If the company could sell 1,200 more units in the following month, what would be the change in net income? Increase by $9,000 B Increase by $34,200 Decrease by $7,400 Increase by $21,600