$16)$ A scenario in which Bank of America $($BoA$)$ started selling subprime MBS at

below$-$market prices and reducing the size of their balance sheet because they had

incurred losses when Lehman went bankrupt $($and thus did not repay their loans to BoA$)$

describes

a$)$ financial contagion.

b$)$ deleveraging.

c$)$ fire sales.

d$)$ All of the above are true

e$)$ None of the above is true