Suppose that in a particular month the consultant’s data usage turned out to be 24GB. Let PFS be the amount, in $, she will have to pay for this data usage under the old plan and PSS be the amount, in $, she will have to pay for this data usage under the new plan. What is the value of the difference PSS – PFS?

This question relates to the Data Plan Example covered in Sessions 1 and 2. The “old plan” refers to the “Family Share” plan, and the “new plan” refers to the “Superior Share” plan. You can answer this question without using Excel. You should involve Excel only if you cannot answer this questions otherwise.

Suppose that in a particular month the consultant’s data usage turned out to be 24GB. Let P_FS be the amount, in $, she will have to pay for this data usage under the old plan and P_SS be the amount, in $, she will have to pay for this data usage under the new plan. What is the value of the difference P_SS – P_FS?