Great Adventure Travel Company had the following adjustments to net income when computing its cash flow from operations for the year just ended.

Net income

$326,000

Add: Adjustments

(1) Depreciation

$13,000

(2) Decrease in accounts receivable

2,000

(3) Increase in inventory

4,500

(4) Decrease in accounts payable

3,000

7,500

Cash flow from operations

$333,500

a. Explain why it is generally necessary to make additions to and subtractions from net income when computing cash flow from operations in the indirect format.

b. For each adjustment (labeled 1 through 4), explain why that specific adjustment was necessary to determine cash flow from operations.