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?

$$9900000$

$$19690000$

$$11740000$

$$8460833$