Given the following history, use a three-quarter moving average to forecast the demand for the third quarter of this year. Note: the 1st quarter is January, February, and March; 2nd quarter April, May, June; 3rd quarter July, August, September; and 4th quarter October, November, December. JANUARY FEBRUARY MARCH APRIL MAY JUNE JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER Last year 150 170 180 220 230 250 195 185 175 250 275 300 This year 170 178 160 240 225 215 0 0 0 0 0 0