Bonita Industries is constructing a building. Construction began in 2020 and the building was completed 12/31/20. Bonita made payments to the construction company of $2820000 on 7/1, $6444000 on 9/1, and $5980000 on 12/31. Weighted-average accumulated expenditures were O $3558000. O $3021000. O $9264000. O $15244000.