QUESTION $2(20$ Marks$)$

$2\mathrm{.}1$ Using the data in the table below answer the questions that follow:

Activity Predecassor Estimate in months Start $-0$ D Start $4$ A Start $6$ F D$,$A $7$ E D $8$ G F$,$E $5$ B F $5$ H G $7$ C H $8$ End C$,$B $0$

$2\mathrm{.}1\mathrm{.}1$ Determine the minimum time in which the above project can be complete?

$(5$ marks$)$

$2\mathrm{.}1\mathrm{.}2$ Complete a forward and backward pass for the above table.

$(10$ marks$)$

$2\mathrm{.}1\mathrm{.}3$ To shorten the length of the project, the sponsor has offered to remove the work of activity E from the project, making D the predecessor to activities G and F$.$ Redraw the AON diagram and explain the effect of the removed work activity on the critical path. $(5$ marks$)$ DRAW DIAGRAM AND EXPLAIN ANSWERS, CLEAR DIAGRAM TO BE PLOTTED PLEASE