At least 3 days per week with sufficient reps and sets.
Answer:
(B) $20 billion
Explanation:
Given a certain level of MPC, an increase in government spending (G) by a certain amount translates to an increase in aggregate demand (AD) through the relationship below.

where Δ means <em>change.</em>
<em />
Therefore, given ΔAD of $50 billion, and MPC of 0.6,

= 
= 
= ΔG = 50 * 0.4 = 20
Therefore, increase in government purchases = $20 billion.
Exchange tactics could be the most popular downward influence tactics....