A project schedule has the following characteristics

Activity $1-2$Time $4$

Activity $1-3$ time $1$

Activity $2-4$ time $1$

Activity $3-4$ time $1$

Activity $3-5$ time $6$

Activity$4-9$ time $5$

Activity $5-6$time $4$

Activity $5-7$ time $8$

Activity $6-8$ time $1$

Activity $7-8$ time $2$

Activity $8-10$ time $5$

Activity $9-10$ time $7$

Construct the network and calculate the earliest start time, earliest finish time, latest start time and latest finish time of each activity and determine the Critical path of the project and duration to complete the project.