Tommy Co. is considering adding poutine to the menu their French restaurant. To make poutine, the firm will have to purchase a new deep fat fryer for $3,500. Installation costs for the fryer are expected to be $1,250. To make poutine, the firm will have to carry additional inventory of potatoes, cheese and chicken. The additional food inventory is expected to cost $650. The firm also spent $500 on a market study to evaluate the demand for the product. Calculate the initial cash flow for the firm. (Enter a negative value and round to two decimals)