In a Two-Period SOE Model, Holding Everything Else Constant, an Increase

In a two-period SOE model, holding everything else constant, an increase in current-period income

A) unambiguously increases the current account surplus.
B) unambiguously decreases the current account surplus.
C) has an uncertain effect on the current account surplus.
D) has no effect on the current account surplus.
E) is engineered by the government.