Maria Is Considering Her Lunch Purchase

Maria is considering her lunch purchase.Unfortunately,the deli doesn't have a very extensive menu: apples at $0.50 each,bagels at $1 each,and cappuccino at $2 each.Her utility from each is shown in the table below.

-According to consumer research,what happens to the proportion of disposable income which is spent by Canadians on the various product groups as the level of income increases?

A) The fraction spent on both food and travel increases whereas the amount spent on shelter decreases.
B) The fraction spent on both food and shelter decreases whereas the amount spent on travel increases.
C) The fraction spent on both food and travel decreases whereas the amount spent on shelter increases.
D) The fraction spent on food decreases whereas the amount spent on both travel and shelter increases.