There's a lot of uncertainty over what the sequestration may actually entail. Last year's Budget Control Act provided specific percentages agencies have to cut in order to achieve $1.2 trillion in savings over 10 years. Here's the cost: There is a 9.4 percent reduction for nonexempt defense agencies There is also an 8.2 percent reduction for discretionary non-defense agencies What we don't know is how much leeway agencies will have when it comes to implementation.