(1) Commencing with the date that the notice of sale is deposited in the mail, as provided in Section 2924b, and until the property is sold pursuant to the power of sale contained in the mortgage or deed of trust, a beneficiary, trustee, mortgagee, or their agent or successor in interest may demand and receive from a trustor, mortgagor, or their agent or successor in interest or any beneficiary under a subordinate deed of trust, or any other person having a subordinate lien or encumbrance of record those reasonable costs and expenses, to the extent allowed by subdivision (c) of Section 2924c, that are actually incurred in enforcing the terms of the obligation and trustee’s or attorney’s fees that are hereby authorized to be in an amount as follows:
- (A) If the unpaid principal sum secured is fifty thousand dollars ($50,000) or less, then in a base amount that does not exceed four hundred seventy-five dollars ($475).
- (B) If the unpaid principal sum secured is greater than fifty thousand dollars ($50,000) but does not exceed one hundred fifty thousand dollars ($150,000), then in a base amount that does not exceed four hundred seventy-five dollars ($475) plus 1 percent of the unpaid principal sum secured exceeding fifty thousand dollars ($50,000).
- (C) If the unpaid principal sum secured is greater than one hundred fifty thousand dollars ($150,000) but does not exceed five hundred thousand dollars ($500,000), then in a base amount that does not exceed four hundred ten dollars ($410) plus 1 percent of the unpaid principal sum secured exceeding fifty thousand dollars ($50,000) up to and including one hundred fifty thousand dollars ($150,000), plus one-half of 1 percent of any portion of the unpaid principal sum secured exceeding one hundred fifty thousand dollars ($150,000).
- (D) If the unpaid principal sum secured exceeds five hundred thousand dollars ($500,000), then in a base amount that does not exceed four hundred ten dollars ($410) plus 1 percent of the unpaid principal sum secured exceeding fifty thousand dollars ($50,000) up to and including one hundred fifty thousand dollars ($150,000), plus one-half of 1 percent of any portion of the unpaid principal sum secured exceeding one hundred fifty thousand dollars ($150,000) up to and including five hundred thousand dollars ($500,000), plus one-quarter of 1 percent of any portion of the unpaid principal sum secured exceeding five hundred thousand dollars ($500,000).