On January 1, 2017, Tolvin Company signed a contract to have Bob's Builders construct a office building at a cost of $30,000,000. It was estimated that it would take four years to complete the project. Also on January 1, 2017, to finance the construction cost, Tolvin borrowed $20,000,000 payable in five annual installments of $4,000,000 plus interest at the rate of 8%. During 2017, Tolvin made progress payments totaling $5,000,000 under the contract, and the average amount of accumulated expenditures was $6,000,000 for the year. The excess borrowed funds were invested in short-term securities, from which Tolvin realized investment income of $650,000. What amount should Tolvin report as capitalized interest at December 31, 2017? a. $ 650,000 b. $ 480,000 c. $ 400,000 d. $1,600,000