Store 1: MERCHS consisting of 3 items for ₱1,200.00, but
for the fourth item and more, an additional cost of ₱300.00 per item is added. For store 2:
MERCHS consisting of 5 items for ₱1, 500.00, but for the sixth item and more, an additional
cost of ₱400.00 per item is added.
Your task is to represent the cost of MERCHS items as a piecewise function and make
recommendation which stores offers the best price. To convince your parents, you have to follow
these following conditions: