Giselle predicts that she will receive a grant for $4,000. if she has 4 years in which to save, what is the minimum monthly amount she should deposit in an interest bearing savings account to be able to pay her contribution for one year of college?

Let's say that giselle will be studying in a public college school  averaging 9400$ per year, food and housing expense average at least 2500$ yearly, books and supplier at 1200$ yearly and   personal and transportation is at 2600$ yearly. we have a total of 15700$ for the whole year. giselle must deposit monthly at least 328$ for her to sustain the one year in college.