Changes in inventories are included as part of investment spending because multiple choice 1 anything produced by a business that has not been sold during the accounting period is something in which the business has invested. anything produced by a business that has not been sold during the accounting period is something in which the business has consumed. anything produced by a business that has been sold during the accounting period is something in which the business has invested. anything produced by a business that has been sold during the accounting period is something in which the business has consumed. b. If inventories decline by $1 billion during 2022, then $1 billion would be multiple choice 2 subtracted from both gross private domestic investment and gross domestic product. subtracted from gross private domestic investment and added to gross domestic product. added to gross private domestic investment and subtracted from gross domestic product. added to both gross private domestic investment and gross domestic product.