Maggie and her sister bought a gift for their mother that cost $54.75. Maggie contributed $26 to the cost of the gift. Which addition equation could be used to find how much money m Maggie's sister has for the gift?

A) 26+m=54.75
B) 54.75+m=26
C) 26+54.75=m
D) 54.75+26=m