5. Given the following cost expenditures (see Table P6.3) for a small bridge job to include direct and indirect charges (but not bank interest): A. Calculate the peak financial requirement. B. Sketch a diagram of the overdraft profile. Assumptions: The markup for this project is 8%. Finance charge is 1% per month. REVIEW QUESTIONS AND EXERCISES 157 TABLE P6.2 Project Bar Chart Activity Month 1 2 3 4 5 1. Survey $2,000 2. Mobilization $1,200 3. Trench $3,000 $6,000 4. Lay pipe 5. Concrete 6. Backfill 7. Move out $3,000 $500 $500 $500 $500 8. Prepare valves 9. Install valves 10. Test $1,000 $1,000 $1,500 Retainage is 6% throughout project. Payments are billed at the end of the month, and are received one month later. TABLE P6.3 Monthly Costs for Bridge Job Month 1 2 3 Monthly cost* 29,000 48,900 16,400 * Direct cost + indirect cost