son the project as outlined in the following table: Activity Normal Time Normal Cost Crash Time (weeks) ($/week) (weeks) Crash Costs Predecessor ($/week) A 7 14 5 17 B 7 6 @ 8 17 5 5 21 D un 5 14 2 18 C E 4 16 4 6 12 3 15 D What is the minimum number of weeks to which this project should be crashed: Select one: O A 21 B. 20 OC. 23 OD 19 OE 24 tion der the project as outlined in the following table: Activity Normal Time Normal Cost Crash Time (weeks) ($/week) (weeks) Crash Costs Predecessor ($/week) A 14 5 17 B 6 7 an 6 @ 8 17 5 21 D 5 14 2 2 18 E 4 16 4 D 6 3 F 12 3 15 6 If the indirect cost savings are $ 20 per week, what would be the project length after crashing? Select one: OA 21 OB. 20 OC. 23 OD 19 E 24