Mang Eduard operates a buy and sell business. He sells umbrellas in his
shop near the city mall. He gets his umbrellas from a local dealer. Each umbrella
costs 90.00 pesos each. Expecting rainy season to come, Mang Eduard
purchased 4 dozens of umbrellas every week. The supplier then charges 200.00
pesos per dozen for freight Mang Eduard can sell 12 umbrellas every day​