Feature #7: Optimize Delivery Cost

Description

In addition to other important tasks, Amazon’s logistic division is responsible for delivering packages. They have partnered with many delivery services so that the orders can reach customers quickly. One of the carrier companies has pricing criteria; we want to use that criteria to our advantage so that we can deliver maximum packages at minimum cost. This carrier is willing to send one or more trucks for deliveries as needed, but they charge in increments of $k$ lbs. The vendor has different size truck (in increments of $k$ lbs) available. Anything below $k$ lbs costs $10. Whereas, anything between $k$ and $2k$ lbs costs $20 and so on. If we ship anything less than ...