You e-mail a classmate in this course for some information about a spreadsheet homework problem. In addition to answering your question, your classmate also attaches a spreadsheet solution to the homework. What do you do?

a. Delete the spreadsheet without looking at it.

b. Look at the spreadsheet to make sure she did it correctly.

c. Copy the spreadsheet into your homework and change the formatting so that it doesn’t look like the original.

d. E-mail the spreadsheet to all your friends so that they can have the solution, too.