Anthony began the year with $$98,400$ already invested $in$ his Snow $"n$ lIce retail store. $He$ withdrew $$15,200on$ March $1$ and another $$22,800on$ April $1.On$ August $1,he$ invested $$24,700,$ and $on$ November $1,he$ contributed another $$20,300.$

What was his average cumulative investment during the year? $(Assume$ that each month has the same length. Round your answer $to2$ decimal places.$)$

Average investment during the year.