All of the following are types of borrowed funds banks use as sources of funds, EXCEPT:

Fed funds

Primary capital

Eurodollar borrowing

Repo's

Borrowing from Fed

Relative to typical debt and equity sources of funding for typical corporations, banks' demand deposits ranking based on how risky of a source of funding they are $($and$,$ therefore, how conservatively that money should be invested$)$ is:

Less risky than either debt or equity

Less risky than equity, but riskier than debt

Less risky than debt, but riskier than equity

None of the listed

Riskier than debt or equity