please solve and explain the question

10 Ibis Corporation sells one product. The following data apply to their operation: Contribution margin ratio Current sales level Expected increase in sales next year Expected increase in income next year 20% 225,000 2% 30% S What is the net operating income for the current year? A. S B S 22,500 C. $ D S 45,000 E. None of the above. 4,500 3,000