Kagu Corp. built a new building in 2019. Construction began on 7/1 and ended on 12/31/2019. Kagu Corp. paid $11,020,000 on the day construction began, $6,612,000 on 8/1, and $13,224,000 on 9/1. What were weighted average expenditures for the project?

$30,856,000

$12,673,000

$2,387,667

$18,183,000