a) Based on the given nformafion regarding the activites for the project, the project completon date = b) To roduce the duration of the project to 10 weeks at the least cost, the following s the onder of what needs to be followed whicherashing the activies The firat actvity to crach is by 2 weehs at a per week crashing cost of dollant. Next, one should crash active D and acthily by 2 weeks for an addtional total per weok crathing cost of dolars. c) New requirements are to reduce the project to 7 weeks. Continung to crash the activies hom 10 weeks baced on the above crashing akeady conpleled, the following is the ordet for crashng Next activity to crash in order is by 2 weeks at a per woek crashing oost of dollars. Next, one should crash activily and activity IE by 1 week at a total per woek crashing coni of dollars Total cost of crashing the propect to 7 weeks = dollars