Smith contracted in writing to sell Peters a used personal computer for $600. The contract did not specifically address the time for payment, place of delivery, or Peters' right to inspect the computer. Which of the following statements is correct?

a. Smith is not entitled to payment until 30 days after Peters receives the computer.

b. Smith is obligated to deliver the computer to Peters' home.

c. Peters is entitled to inspect the computer before paying for it.

d. Peters may not pay for the computer using a personal check unless Smith agrees.