Sally's Bakery specializes in making five types
of treats: pies, muffins, ice cream, cookies, and milk shakes. Angel, a
long-time customer, is addicted to Sally's ice cream. The cookies and milk
shakes are equally appealing, but not quite addicting. She does not like the
muffins very much and absolutely hate Sally's pies. If Sally chooses to make
and sell only muffins, cookies, and ice cream, Angel will buy: