Chris LeBlanc estimates that if he does 4.5 hours of research using data that will cost $178.00, there is a good chance that he can improve his expected return on a $10,000,1-year investment from 6.1% to 8.6%. Chris feels that he must earn at least $30.50 per hour on the time he devotes to his research. a. Find the cost of Chris's research. b. By how much (in dollars) will Chris's return increase as a result of the research? c. On a strict economic basis, should Chris perform the proposed research? a. Chris's research costs ? (Round to the nearest cent.)