18-115 What Is the Average Daily Reserve Required to Be

18-115 What is the average daily reserve required to be held by the bank for their demand deposits during the maintenance period? Suppose that the rules require no reserves for the first $5.5 million,3 percent for amounts between $5.5 million and $42.8 million,and 10 percent thereafter.

A) $26.44 million.
B) $28.86 million.
C) $29.55 million.
D) $31.56 million.
E) $32.06 million.