Problem $3-3($Algo$)$

Given the following history, use a three$-$quarter moving average to forecast the demand for the third quarter of this year. Note that the $1$st quarter is January, February, and March; $2$nd quarter April, May, June; $3$rd quarter July, August, September, and $4$th quarter

October, November, December.

Note: Round final answer to a whole number.

$\backslash$table$[[,$JANUARY,FEBRUARY,MARCH,APRIL,MAY,JUNE,JULY,,AUGUST,SEPTEMBER,OCTOBER,NOVEMBER$],[$Last year,$120,140,150,180,190,220,165,$v$,155,145,220,235],[$This year,$140,150,155,200,200,230,,,,,,]]$

Forecast for the third quarter