x3 = ₲. 6.650 c/u
x3 = ₲. 4.500 c/u
x3 = ₲. 10.500 c/u
x3 = ₲. 3.100 c/u
x3 = ₲. 2.000 c/u
x3 = ₲. 5.500 c/u