单选题
A company has a contract to build a house for $80000 with an estimated time to completion of three years. A reliable cost estimate of the project is $50000. In the first year of the project, the company incurred cost totaling $20000. How much profit should the company report at the end of the first year under the percentage-of-completion method and the completed-contract method?
percentage-of-completion method completed-contract method
① $12000 $0
② $12000 $30000
③ $30000 $0