During 2006, Fox company made the following expenditures relating to plant machinery and equipment. Renovation of a group of machines at a cost of $50,000 to secure greater efficiency in production over their remaining 5-year useful lives. The project was completed on December 31, 2006. Continuing, frequent, and low cost repairs at a cost of $35,000. A broken gear on a machine was replaced at a cost of $5,000. What total amount should be charged to repairs and maintenance in 2006? A. $35,000 B. $40,000 C. $85,000 D. $90,000