Indicate whether each of the following is a source of cash, use of cash, or has no cash impact.
a. Firm issues new long term debt.
b. Firm prepays operating costs.
c. Because the firm buys another firm, it amortizes goodwill.
d. Firm sells outdated computer equipment.
e. Firm pays a stock dividend.
f. Firm sells its product on credit.
g. Firm buys a new fleet of trucks.