The Clifford Corporation's $2023$ income statement shows the following:

a$.$ Calculate the operating cash flow for the firm.

b$.$ Calculate the cash flow to creditors.

c$.$ Calculate the cash flow to stockholders.

d$.$ If the net fixed assets increased by $$27,000$ during the year, what was the change in Net Working Capital

NWC$?$

a$.$ Calculate the operating cash flow for the firm.