What are the total traceable travel costs? 2. What are the total costs for the Martin Manufacturing project? 3. What is the total billing to Martin Manufacturing? 4. What is the predetermined overhead rate?% 5. Which of the following is not an example of a nontraceable professional staff cost? Cost Category Anticipated Costs Cost Percentages $ 3,000,000 Professional Staff Salaries Administrative Support Staff Travel Photocopying Other Operating Costs $360,000 $ 300,000 $ 60,000 $ 120,000 80% 60% 90% 90% 50% Martin Project Costs $ 49,200 $ 3,120 $ 5,400 $ 600 $ 1,680