If the indirect costs for each duration are $$300$ for $27$ weeks, $$240$ for $26$ wecks, $$180$ for $25$ wecks, $$120$ for $24$ wecks, $$60$ for $23$ wecks, and $$50$ for $22$ wecks, compute th direct, indirect and total costs for each duration. What is the optimum cost$-$time sched ule? The customer offers you $$10$ dollars for every week you shorten the project from your original network. Would you take it$?$ If so for how many weeks?