Caroline is working for a marketing firm making $60,000 per year but considers starting her own marketing company. Caroline has determined that to launch the business, she needs to invest $100,000 of her own funds. The annual cost of running the business will include $75,000 for the rent of the office space, $190,000 for employee wages, and $6,000 for materials and utilities. Caroline plans to manage the business, which means that she will have to quit her current job. Suppose that the interest rate (or rate of return) on investments in the economy is 6%.

Caroline's total implicit cost per year is .

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