From the Information Below,the Net Cash Flow from Operating Activities

Multiple Choice

From the information below,the net cash flow from operating activities is:
Cash contributions from owner $8000
Receipt of bank interest $50
Dividend payment to shareholders $2500
Cash receipts from customers $4500
Cash purchase of computer $2100
Depreciation on computer $50
Cash payments to suppliers $3500

A) an inflow of $5500.
B) an inflow of $1050.
C) an outflow of $2100.
D) an inflow of $6900.