On May 1, 2010, Goodman Company began construction of a building. Expenditures of $120,000 were incurred monthly for 5 months beginning on May 1. The building was completed and ready for occupancy on September 1, 2010. For the purpose of determining the amount of interest cost to be capitalized, the average accumulated expenditures on the building during 2010 were a. $100,000. b. $120,000. c. $480,000. d. $600,000.