Vaughn Manufacturing is constructing a building. Construction began on January 1 and was completed on December 31 . Expenditures were $6450000 on March 1, $5290000 on June 1, and $7950000 on December 31. Vaughn Manufacturing borrowed $3180000 on January 1 on a 5-year, 13% note to help finance construction of the building. In addition, the company had outstanding all year a 11%, 3 -year, \$6420000 note payable and an 12%,4-year, $12650000 note payable. What are the weighted-average accumulated expenditures? $19690000$11740000$9900000$8460833