Controlling Monthly Plans
This program will help those people who stick to monthly plans.
Example 1. You pay your Internet service provider a fixed fee for 400 megabytes of traffic per month. The best this for you is to get all of your 400 megabytes, but without exceeding the limit too much.
Example 2. Your goal is to earn 1000 dollars this month.
Example 3. You are planning to make 150 articles of some product this month.
