Eaton Electronics uses a periodic inventory system. On March 31, Eaton has two plasma TVs on hand at a cost of $1,500 each (serial numbers 11534892 and 11534894). In April, the company purchases four more identical TVs from Toshiba for $1,450 each (serial numbers 11542631 through 11542634). In May, the company purchases five more identical TVs for $1,600 each (serial numbers 11550964 through 11550968). In June, Eaton sells two of these TVs (serial numbers 11534894 and 11542631). There were no additional purchases or sales during the remainder of the year. Eaton Electronics reports $3,000 as the cost of goods sold. Eaton Electronics is using the:

Secured loans are protected by collateral security. examples: title loans where the borrower uses the car title as collateral security interest rates are lower and repayments are longer therefore risk is low as a collateral security is given as guarantee to the bank in case of failure to pay the loanunsecured loans are not protected by collateral security but it is given on the creditworthiness of the borrower, trusting that she/he will pay on time. examples; payday loans is a short term loan where the borrower lends money from the bank and pays is back when the borrower receives his/her wages.interest rates are high and repayments are shorter. but the risk is high as no collateral security is given as a guarantee to the bank for payment of the loan