Angie is an avid ornithologist who enjoys birdwatching on the trails in a nature preserve near her house in Boulder, Colorado. For Angie, birds are a...

Angie is an avid ornithologist who enjoys birdwatching on the trails in a nature preserve near her house in Boulder, Colorado. For Angie, birds are a good: more birds are preferred to less. Recently, many of the residents of Boulder have purchased small drones that they fly through the preserve to capture aerial photographs. For Angie, these drones are a bad: less drone sightings are preferred to more. Draw Angie's indifference curves for drones and birds, placing birds on the y axis. In what direction is utility increasing (draw and arrow)?