Final answer:
The Truth in Lending Act primarily requires lenders to disclose the interest rates to consumers to allow for an informed comparison of different credit offers.
Step-by-step explanation:
The primary purpose of the Truth in Lending Act is to ensure that consumers are provided with all the necessary information before they enter into credit transactions. Specifically, it requires the disclosure of certain key financial details. The correct answer to the question about what important piece of information the Truth in Lending Act primarily requires to be disclosed to the patient is a. Interest rates.
The Act is crucial because it allows consumers to compare different credit and loan offers on a like-for-like basis, which includes understanding the cost of borrowing. This is especially important when considering significant financial commitments such as mortgages, which typically span over 15 or 30 years. Knowing the interest rates allows a borrower to calculate the total cost of the loan.