Answer:
(a) revenues recognized and deferred,
a decrease in deferred revenues and a recognition of accrued revenues results in higher working capital (current assets increase while current liabilities decrease)
(b) cost of goods sold,
An increase in cost of goods sold results in a decrease of inventories, therefore, working capital decreases (less current assets)
(c) employee salary and wages
employee wages decrease cash (if they are paid) or increase wages payable (current liability) if they are not paid yet. It decreases working capital
(d) income tax expense.
income taxes decrease cash (if they are paid) or increase income taxes payable (current liability) if they are not paid yet. It decreases working capital
