Tom and Jerry Have One Day to Work, but Two

Multiple Choice

Tom and Jerry have one day to work, but two tasks to focus on: building chairs and tables. If Tom spends all day building chairs, he will make 16 chairs. If he instead devotes his day to building tables, Tom will make 4 tables. If Jerry spends his day building chairs, he will make 14 chairs; if he spends the day building tables, he will make 7 tables. For Tom, the opportunity cost of building a table is _______ chairs made.

A) 16
B) 12
C) 8
D) 4