Jill took $40,000 that she had in savings and started her own business. If left in investments, she would have earned $4,000 this year. Jill also left a job that paid her $50,000 a year and plans on paying herself $30,000. Materials and other labor costs will be $60,000. The company is located in a building that Jill owns. She has an insurance and mortgage payment of $10,000. She could have rented the building out for $20,000.

What are the accounting and economic cost?