Consider the following information for Leaves Inc. for the current year: 35% Contribution margin ratio Unit variable cost Fixed costs Sales for the previous year What would be the effect on operating income if sales for the current year increased by 15%? a. Operating income would decrease by $5,098. b. Operating income would decrease by $47.460. c. Operating income would increase by $49,080. Od. Operating income would increase by $4,746. $34,800 $90,400