If FBNA increases leverage so that its interest expense rises by $$1$ million, then the

amount its net income will change is closest to:

$(1)-$$$400,000$

$(2)-$$$600,000$

$(3)$ $$400,000$

$(4)$ $$600,000$

$($c$)$ If FBNA increases leverage so that its interest expense rises by $$1$ million, then the

amount of income available to all investors will change by about:

$(1)-$$$600,000$

$(2)-$$$400,000$

$(3)$ $$600,0$