Claire Corporation's Contribution Margin Income Statement for March Is as Follows

Claire Corporation's contribution margin income statement for March is as follows:
Claire's manager has proposed that the unit selling price be increased by 10% for the month of April. The manager believes that the selling price increase will result in a 250 unit decrease in sales during April. Should the manager's proposal be accepted?

A) Yes, because operating income will increase $6,750.
B) No, because contribution margin will decrease $3,375.
C) No, because operating income will decrease $1,875.
D) Yes, because contribution margin will increase $10,125.