For each of the items below, indicate whether it is $(1)$ a cash flow from an operating activity,

$(2)$ a cash flow from an investing activity, $(3)$ a cash flow from a financing activity,

$(4)$ a noncash investing and financing activity, or $(5)$ none of the above:

Activity Type

a$.$ Received cash as interest earned on bond investment Answer $1$

b$.$ Received cash as refund from supplier Answer $2$

c$.$ Borrowed cash from bank on six$-$month note payable Answer $3$

d$.$ Exchanged, at a gain, stock held as an investment for a parcel of land Answer $4$

e$.$ Invested cash in a money market fund $($cash may be easily withdrawn from the fund$)$ Answer $5$

f$.$ Loaned cash to help finance the start of a new biotechnology firm Answer $6$