Ralph, treasurer for M and M Products, Inc., recently updated his firms short-term cash forecast only to discover that the firm will suffer a cash shortage of $15 million for a period of 30 days. One alternative is to liquidate a portion of his marketable securities portfolio but with interest rates up, this is not a good alternative. Ralph just learned from one of his commercial paper dealers that paper in the thirty-day range is in demand and that asked discount rates are comparably good at about 3.7%. The dealers annual fee is 10 basis points and the annual commitment fee on a back up line of credit is 25 basis points.

Estimate the effective cost of the commercial paper assuming that this is the only commercial paper issue planned for the year.

Estimate the effective cost of the commercial paper assuming that there will be recurring issues of commercial paper all year long.