Identify whether the tax or payments listed are consistent with the benefits principle or the ability-to-pay principle of tax fairness. Please note that not all items need to be placed.

Which of the following best describes vertical integration? a. produce goods or services previously purchasedb. develop the ability to produce products that complement the original productc. develop the ability to produce the specified good more efficiently than befored. build long term partnerships with a few supplierse. sell products to a supplier or a distributor