To Promote Sales and Increase Consumer Awareness of Good Eating

Multiple Choice

To promote sales and increase consumer awareness of good eating habits,a well-known cereal manufacturer included on the package an offer for a book entitled Good Eating and Lifetime Happiness.This book (a $9 value) could be obtained in exchange for only one proof-of-purchase along with $4.95 shipping and handling.What type of promotional tool is the company using? 

A)  out-of store coupon 
B)  basic-offer premium 
C)  on-pack premium 
D)  self-liquidating offer 
E)  rebate