Lena is considering going on a road trip from Arizona to California. The alternative is to fly to California. Which of the following are considerations using the objective maximization assumption? a. She will choose the activity she likes better even if the costs are higher b. She loves road trips so she will choose to drive even if flying is cheaper c. The road trip's costs are lower than the cost of a plane ticket, so she will choose to drive d. She will take the road trip if the net benefit of the drive is higher than the net benefit of flying