Given the following history, use a three$-$quarter moving average to forecast the demand for the third quarter of this year. Note: 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.

JANUARY FEBRUARY MARCH APRIL MAY JUNE JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER

Last year $150170190225235250195185175250275295$

This year $170190175245270215$