Please can you kindly write out a full solution to this question with workings. Thank you

(b) Carlos earns an annual net profit of $22,000 from his current business. He has two alternatives to earning this money. The first is to sell the business for $340,000 and invest in another business which will generate for him an annual return of 7%. Carlos will help to run this business and will not be able to earn any other income. The second alternative is to sell the business, for the same amount, and earn an annual return of 2% from his local bank. If he earns this return, he will have enough time to get a full-time job that pays E18,000 per year. Required: Using only the information provided above, calculate the opportunity cost for Carlos in continuing to run his business