The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the simple three$-$month moving average for each month for both companies. $($Input all amounts as positive values. Do not round intermediate calculations. Round your answers to $2$ decimal places.$)$

IBM AMZN

January $ $179\mathrm{.}24$ $ $623\mathrm{.}56$

February $179\mathrm{.}69630\mathrm{.}68$

March $200\mathrm{.}29564\mathrm{.}20$

April $217\mathrm{.}09550\mathrm{.}50$

May $189\mathrm{.}01495\mathrm{.}74$

June $211\mathrm{.}85487\mathrm{.}18$

July $243\mathrm{.}80608\mathrm{.}49$

August $195\mathrm{.}55533\mathrm{.}76$

September $223\mathrm{.}91510\mathrm{.}88$

October $215\mathrm{.}43608\mathrm{.}80$

November $199\mathrm{.}49585\mathrm{.}47$

December $177\mathrm{.}58663\mathrm{.}50$