Suppose, for a Hypothetical Economy, Potential GDP Equals $9,200 Billion

Suppose, for a hypothetical economy, potential GDP equals $9,200 billion. If real GDP equals $9,400 billion, then according to the table below, the cyclical surplus equals

A) $320 billion.
B) $40 billion.
C) -$40 billion.
D) $20 billion.
E) $360 billion.