$11-25$ The air pollution project discussed in the chapter

has progressed over the past several weeks, and

it is now the end of week $8.$ Leslie Harky would

like to know the value of the work completed, the

amount of any cost overruns or underruns for the

project, and the extent to which the project is ahead

of or behind schedule by developing a table like

Table $11\mathrm{.}8.$ The revised cost figures are shown in

the following table:

Please provide with Excel chart