A construction company is negotiating a construction project with a four month duration. On the last day of each month, the construction company will bill the owner for the work completed during the month. The owner holds $6\%$ retention. Retention is paid twice during the project: at the end of the month $3($includes retention held during month $1$ and month $2)$ and at the end of month $6($any retention that was not released earlier$).$ Additionally the following is provided.

$25\%$ of material is paid at time of delivery. the rest $75\%$ is paid when payed.

$35\%$ of the project overhead is paid at the time of the delivery or when the cost is incurred. The rest $65\%$ of the project overhead is "pay when paid"

$10\%$ of the equipment cost is paid when the cost is incurred. The rest $90\%$ is "pay when paid"

The company pays subcontractors when it receives payment from the owner but withholds $9\%$ retention. SC rentention is released twice during the project: at the end of month $3($includes month $1$ and $2)$ and at the end of month $6($any retention not released earlier$)$

The company pays for the labor weekly

Indirect costs are $18\%$ for the construction company