x3 = ₲. 11.500 c/u
x3 = ₲. 1.800 c/u
x3 = ₲. 3.200 c/u
x3 = ₲. 4.250 c/u
x3 = ₲. 11.000 c/u
x3 = ₲. 6.000 c/u