Mo. Rev. Stat. § 488.012(16) (RSMo 488.012(16))
Reviewed source note: (16) When letters are applied for in probate proceedings, pursuant to section 483.580 , when the value of the estate is: (a) Less than $10,000 $ 75.00 (b) From $10,000 to $25,000 115.00 (c) From $25,000 to $50,000 155.00 (d) From $50,000 to $100,000 245.00 (e) From $100,000 to $500,000 305.00 (f) More than $500,000 365.00