please hurry$-$ keys corp's transaction for the year ended december $31,2020$ included the following:

$$ borrowed $2,500,000$ from a bank, and then used the cash to purchase a real estate

$$ sold available$-$for sale securities for $$2,000,000$

$$ paid dividends of $$2,400,000$

$$ issued $500$ shares of common stock for $$1,000,000$

$$ purchased machinery and equipment for $$500,000$ cash

$$ paid $$1,800,000$ toward a bank loan

$$ reduced A$/$R by $$400,000$

$$ increased A$/$P $$800,000$

Key$$s net cash used in financing activities for $2020$ was:

a$)900,000$

b$)1,800,000$

c$)700,000$

d$)1,700,000$