(1) A list of daily U.S. Treasury yield curve rates for 1 year, as of the first business day of each year, to be used in calculating the interest on a security deposit; or
(2) A customized calculator that calculates the interest due on a security deposit by allowing a user to enter the date that the security deposit was given to the landlord, a tenancy end date, and the amount of the security deposit.
(n) A landlord is entitled to rely on the list of yield curve rates or the customized calculator maintained by the Department of Housing and Community Development under subsection (m) of this section when calculating the interest on a security deposit.