Abbott, Inc., issued $50,000 of bonds, paid cash dividends of $8,000, sold long-term investments for $12,000, received $5,000 of dividend revenue, purchased treasury stock for $5,000, and purchased new equipment for $19,000. What is the net cash flow from financing activities?

a. $70,000 inflow.
b. $27,000 inflow.
c. $90,000 inflow.
d. $20,000 outflow.