Since there are no indicated phrases that are underlined, I had to choose which sentence contains the perfect participle phrase and that would be sentence 2: Having determined a need to offer opportunities for sports and leisure activities, the city created several recreation areas. The perfect participle phrase in this sentence is this: Having determined a need to offer opportunities for sports and leisure activities.
j jl Ulrich upvpici jl ljc
Sensitivity analysis. Where one variable is being tweaked a little to see the NPV, that is always sensitivity analysis.