What would happen to Roger"s budget line if his income increased by 10 percent, holding prices constant?

What would happen to Roger"s budget line if his income increased by 10 percent, holding prices constant? A. It would shift inward. B. It would rotate about the axis for food. C. It would rotate about the axis for racquetballs. D. Nothing would happen to the budget line, because the relative prices for food and racquetballs have not changed. E. It would shift outward.