Determine whether the preferences described below would be represented by an indifference curve that is L-shaped, bows inwards, or is a straight line.a. Edgar will eat carrots only if he has hummus to go with them.b. Andrew likes to start his day right with oatmeal, but he’s just as happy starting it with steel-cut oats as he is with rolled oats.c. Ezekiel really enjoys coffee and donuts together, but he’s also happy eating just one of the other.