Resposta :
a) C(q) = 3.0 + 60 =60
C(q) = 3.5+ 60 = 75
C(q) = 3.10 + 60 = 90
C(q) = 3.15 + 60 = 105
C(q) = 3.20 + 60 = 120
C(q) = 3.5+ 60 = 75
C(q) = 3.10 + 60 = 90
C(q) = 3.15 + 60 = 105
C(q) = 3.20 + 60 = 120