Which of the following is true about the sale of Internet domain names?

a. The fee for the transfer of an Internet domain name cannot be greater than the fee paid to register the name, prorated over the remaining period that the registration fee covers.

b. Amounts charged to transfer ownership of a domain name must be approved by the agency that initially sold the name.

c. Names have not been sold for more than nominal amounts.

d. Some names have been properly sold for millions of dollars.