Scenario 13-6 ziva is an organic lettuce farmer, but she also spends part of her day as a professional organizing consultant. as a consultant, ziva people organize their houses. due to the popularity of her home-organization services, farmer ziva has more clients requesting her services than she has time to if she maintains her farming business. farmer ziva charges $25 an hour for her home-organization services. one spring day, ziva spends 10 hours in her fields planting $130 worth of seeds on her farm. she expects that the seeds she planted will yield $300 worth of lettuce refer to scenario 13-6. an economist would calculate ziva's total cost of farming to equal
a. $300
b. $250
c. $130
d. $380