Directions: Please match the loyalty programs with their content and fill the blanks with the correspondent numbers.points programs,　2.spend programs, 3.tiered programs, 4.paid programs,　 5.punch programs（） The programs give customers rewards based on dif

Directions: Please match the loyalty programs with their content and fill the blanks with the correspondent numbers.points programs,　2.spend programs, 3.tiered programs, 4.paid programs,　 5.punch programs（） The programs give customers rewards based on different levels of spending or points.
正确答案：3