Exercise 10 Luigi expects the following sales of his famous tomato sauce. Luigi keeps 10% of the following month's sales as ending inventory. Determine required production. (Beg. inventory Jan. 1 = 10% of January sales). Month Sales (jars) January 440 February 480 March 520 April January February March (show subtractions as negative #'s) x x 560 x x + III X X