An application is to be written that would allow students to find out their gpa(double) and their total number of credits (an integer) gives the student number(an integer) which field will be tthe key field?

i think its d if im not mistaken

the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.