If a bond's market value drops from $1,000 to $950 after one year, and the bond investor classifies the bond as Trading, then the effect of this change on the bondholder's (i.e., lender's) accounting equation is: Decrease an asset by $950; decrease owners' equity by $950 increase an asset by $950; decrease owners' equity by $950 increase an asset by $50; decrease owners' equity by $50 Decrease an asset by $50; decrease owners' equity by $50