6. A simplified project is shown in the following figure. The direct costs associated with the individual activities are shown above the bars. It is assumed that project indirect cost will amount to $5,000 monthly. The contractor included a profit mark-up of $10,000to his bid so that the total bid price was $210,000.The owner retains 10%of all validated progress payments until one half of the contract value (i.e., $105,000).The progress payments will be billed at the end of the month and the owner will transfer the billed amount minus any retains to the contractor's account 30 days later. Determine the expenses and income profile of this project.