Dvs: actual crash time, units of 5-day work weeks, denoted by yi, i = a,….,i earliest finish time, units of 5-day weeks, denoted by xi, i = a,….,i the managers want to crash the time to 23 work weeks. min cost (in ($1000s) 2.5ya + 1.67yb + 2yc + 3yd + 2ye + 6yf + 4yg + 2.5 yh (remember that in solver you must include all dvs – so put 0 coefficients for the xi in you objective function setup) s t. ya ≤ 2 yb ≤ 3 yc ≤ 2 yd ≤ 3 ye≤ 2 yf ≤ 3