Jill took $80 comma 000 that she had in savings and started her own business. if left in investments she would have earned $8 comma 000 this year. jill also left a job that paid her $80 comma 000 a year and plans on paying herself $60 comma 000. materials and other labor costs will be $90 comma 000. the company is located in a building that jill owns. she could have rented the building out for $50 comma 000 but plans on charging the company only the insurance and mortgage payment of $40 comma 000. what do the accounting and economic costs equal?