Anthony began the year with $$99,000$ already invested in his Snow $\text{'}$n Ice retail store. He withdrew $$15,500$ on March $1$ and another $$23\mathrm{.}100$ on April $1.$ On August $1,$ he invested $$25,000,$ and on November $1,$ he contributed another $$20,600$What was his average cumulative investment during the year? $($Assume that each month has the same length. Round your answer to $2$ decimal places.$)$Average investment during the year