A manager uses a trend equation plus quarterly relatives to predict demand. Quarter relatives are SR$1=0\mathrm{.}9,$ SR$2=0\mathrm{.}95,$ SR$3=1\mathrm{.}05,$ and SR$4=1\mathrm{.}1.$ The trend equation is: Ft $=8+4$t$.$ Over the past nine quarters, demand has been as follows:

Period, t: $123456789$

Demand: $111619252832353844$

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Compute the MAD and tracking signal for each period. $($Negative values should be indicated by a minus sign. Round your intermediate calculations and final answers to $3$ decimal places.$)$