The following information is about Magaret's utilities and units consumed of services L and G. Service L Service G Units Utility Units Utility 0 0 0 0 3 56 1 32 6 104 2 60 9 136 3 84 12 160 4 104 15 180 5 116 18 196 6 126 21 208 7 134 Suppose good L has a price of $4 and good G is $5. What is the marginal utility per dollar of service L and service G at which Margaret maximizes her marginal utility when she consumes both services simultaneously