General Foundry has been running a project to integrate a new air pollution system into their equipment. At this point, their manager, Lester Harky, would like to evaluate the progress. He is particularly interested in cost overruns or underruns for the activities, and whether the project, as a whole, is over or under budget. The relevant data is provided in the table below. f) What is the difference between value of the work completed for Activity F and the actual cost of Activity F? g) What is the difference between value of the work completed for Activity G and the actual cost of Activity G? h) What is the difference between value of the work completed for Activity H and the actual cost of Activity H? i) Currently the total project is: overbudget by $1, 975: underbudget by $1, 975: overbudget by $4, 080: or underbudget by $4, 080