LU! LO! :0 Problem No. 4 A computer systems consulting company is under contract to carry out seven projects, all with deadlines, measured in days from now. The consultants are a small group and must work together on each project, so that the projects will be started and completed sequentially. Under the terms of the contract, the consultants will receive $20,000 for each project completed on time, but they will receive only $15,000 for a project that is late. Each project has an associated duration, which is the anticipated number of days required to carry out the project, as shown below. a) How should the projects be sequenced in order to maximize the revenue? (1? points) b) What is the most money the consultants can receive? (3 points) Project 1 2 3 4 5 6 7 Duration 2 8 4 10 6 14 12 Deadline 6 12 30 19 12 18 22