Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to determine shipping costs [title] Take packaging into account. [step] The type of packaging you use affects costs. Light packaging tends to be inexpensive.

Ending1: But bright, colorful packaging such as cardboard pallets can cost a lot more. Just pick the type in mind when picking by packaging. Ending2: Smaller boxes add about a dollar to shipping costs, while light envelopes add about 25 cents. However, using a larger box can cost up to $5. Ending3: It is smaller in width than other types and comes in much cheaper materials. Heavy-duty manufacturers often can tie into shipping costs by using weight-bearing prices. Ending4: However, you may find that it gets oversold frequently. Light packaging tends to be oversold if the package has a high price tag or a maximum packaging cost.

Answer format: ending1/ending2/ending3/ending4