A residential project has the following information:

Four major activities are scheduled across a $4-$month time span $($shown in the below bar chart$).$

Assuming the monthly indirect cost $($i$.$e$.,$ site office costs, telephone, heat, light, and supervisory salaries$)$ is $$5,000.$

Assuming the direct costs are evenly distributed across the duration of the activity

first month $80,000$

$2$nd month $120,000$

$3$rd month $90,000$

$4$th month $50,000$

What is the total cost at month $3?$

$2.$For the same residential project, if:

The markup is $8\%$

The owner retains $10\%$ of all validated progress payment until completion

How much money the contractor is expected to receive from the owner at month $3?$

$3.$For the same residential project, if the contractor will receive $9\mathrm{.}6\%$ of the contract price as advance payment, how much money the contractor is expected to received from the owner at month $3?$