Question $1(4\mathrm{.}99$ points$)$

The following data was taken from an futo parts house that is open only $5$ days a week. As you can see the data does not exhibit any uphill or downhill trend. Using the simple averaging technique, compute season relatives for each day of the week.

$\backslash$table$[[$Observation$,$Day of the Week,$\backslash$table$[[$Sales$],[($thousands$)]],$Observation,Day of the Week,Sales $($thousands$)],[1,$Mon,$31,16,$Mon,$33],[2,$Tue,$35,17,$Tue,$34],[3,$Wed,$47,18,$Wed,$41],[4,$Thur,$34,19,$Thur,$27],[5,$Fri,$31,20,$Fri,$22],[6,$Mon,$29,21,$Mon,$32],[7,$Tue,$36,22,$Tue,$37],[8,$Wed,$44,23,$Wed,$46],[9,$Thur,$33,24,$Thur,$29],[10,$Fri,$24,25,$Fri,$22],[11,$Mon,$27,26,$Mon,$28],[12,$Tue,$38,27,$Tue,$36],[13,$Wed,$45,28,$Wed,$43],[14,$Thur,$35,29,$Thur,$36],[15,$Fri,$23,30,$Fri,$22],[,,,,,]]$