(Terminology) Identify each of the following sources of short-term credit in terms of whether they are secured (include some type of collateral) or are unsecured:

a. Line of credit

b. Pledging of accounts receivable

c. Trade credit

d. Factoring of accounts receivable

e. Inventory loans

f. Commercial paper

Which of the following sources of short-term credit are secured?(Select all that apply.)

A.Pledging of accounts receivable

B.Trade credit

C.Inventory loans

D.Factoring of accounts receivable

E.Line of credit

F.Commercial paper