Big Bear recorded $520,000 of net sales for the year of which 2% is estimated to be uncollectible. Identify and analyze the adjustment required at the end of the year to record bad debts. How does this entry affect the accounting equation? If a financial statement item is not affected, select "No Entry" and leave the amount box blank. If the effect on a financial statement item is negative, i.e, a decrease, be sure to enter the answer with a minus sign. Remember: if a contra account is increased, it will have the effect of decreasing the corresponding financial statement item