Kai in an organic beocolli farmer, but he also spends part of his day as a professional organizing consultant: As a commultant, Kai helps people organize their houses. Due to the popularity of her home organization services. Farmer Kai has more clients requesting his services than he has time to help if he maintains his farming business. Farmer Kai charges $$45$ an hour for his home$-$organization services. One spring day, Kai spends $6$ hours in his fields planting $$130$ worth of seeds on his farm. He expects that the seeds he planted will yield $5300$ worth of brocolli Refer to  What is the total opportunity cost of the day that Farmer Kai spent in the field planting brocolli ?