Use the Equation Presented Below to Answer the Question That

Use the equation presented below to answer the question that follows:
Cash = CL + LTL + CS + RE - NCCA - LTA
Where: CL = Current liabilities
LTL = Long-term liabilities
CS = Common stock
RE = Retained earnings
NCCA = Noncash current assets
LTA = Long-term assets
Which of the following activities results in a cash inflow?

A) Increases in noncash current assets NCCA)
B) Decreases in current liabilities CL)
C) Increases in common stock CS)
D) Decreases in retained earnings RE)