idaoe.com/mod/quiz/at D Determining the amount and timing of conversions of marketable securities to cash is a critical element of a financial manager's performance. In terms of the rate of return forgone on converted securities and the cost of such transactions, the optimal amount of cash to be raised by selling securities is a. Directly related to the rate of return O forgone and inversely related to the cost of .the transaction b. Inversely related to the rate of return O forgone and directly related to the cost of the