Cost Management 6th Edition by Edward Blocher,David Stout ,Paul Juras,Gary Cokins

Exercise 10

Recently Walmart has offered a wireless data contract based on bandwidth used, with a minimum monthly charge of $45 for up to 5 gigabytes (GB) of use. Additional GB can be purchased at the following rates: $10 for an additional 1 GB, $25 for an additional 3 GB, and $40 for a capacity of10 GB. What is the cost for a user who is expecting to use 9 GB