Marigold Corp. is constructing a building. Construction began on January 1 and was completed on December 31. Expenditures were $6450000 on March 1, $5270000 on June 1, and $7950000 on December 31. Marigold Corp. borrowed $3190000 on January 1 on a 5-year, 10% note to help finance construction of the building. In addition, the company had outstanding all year a 8%, 3-year, $6440000 note payable and an 9%, 4-year, $12550000 note payable. What are the weighted-average accumulated expenditures?