IN A SMALL FACTORY HAND-MADE PRODUCTS THE WORKERS RECEIVE P2.50 PER ACCEPTABLE PIECE. IF A WORKER PRODUCES 80 PIECES PER DAY, 5% WOULD BE REJECTED. IF A WOKRER PRODUCES 90 PIECES PER DAY, 10% WOULD BE REJECTED. IF A WORKER PRODUCES 100 PIECES PER DAY, 20% WOULD BE REJECTED. COST OF MATERIALS PER PIECE IS P15.50 WITH A FIXED OVERHEAD COST OF P50.00 PER WORKER PER DAY REGARDLESS OF THE CHANGE ON OUTPUT. DETERMINE AT WHICH THREE OUTPUT IS THE CUMULATIVE COST OF THE LOWEST?