Activity P Duration $7$ days, Predecessor None. Activity Q Duration $5$ days, Predecessor P$.$ Activity R Duration $10$ days, Predecessor Q$.$ Activity S Duration $14$ days, Predecessor P$.$ If Activity Q finishes $2$ days before schedule, how does it affect the project?

Question $8$Answer

a$.$

Project duration increases by $1$ day

b$.$

Project duration increases by $2$ days

c$.$

Project duration remains unchanged

d$.$

Project duration decreases by $1$ day

e$.$

Project duration decreases by $2$ days