The strategic performance evaluation does not monitor the activities of external sources of marketing assistance.

That statement is false
Strategic performance evaluation monitors all activities that could influence company's productivity, including the external sources.
In fact, external sources could contribute greately in company's performance. For example, Government could suddenly lower tax-rate for trading with a neighboring country where company obtain most of its raw material.

Iam pretty sure it's d hope this

Some disadvantages to leasing a car is that you are counting on someone to give you money every week or month depending on what you decided and if they don't have all of it well what if you needed that money now you as well have to pay not in full. a disadvantages to purchasing a new vehicle is if it is used then not all the time will absolutely everything work. its almost like a trail and era. although if it is a new car they will try to though all these specials and deals at you in your lease and it can be very overwhelming if you are not use to it.