Assigning Engineers. A small engineering firm has 4 senior designers available to work on the firm's 4 current projects over the next 2 weeks. The firm's manager has developed the following table of quality scores, which show each designer's design quality on each type of project, on a scale of 100. Also shown is an estimate of the time (in hours) required for each project. Project Designer 1234 1 90 80 25 50 2 60 70 50 65 3 70 40 80 85 4 65 55 60 75 Time 70 50 85 35