Ppluto, inc has a beginning cash balance of $430 on february 1st.the firm has project sales of $600 in january, $800 in february and $900 in march.the cost of goods sold is equal to 70% of sales.goods are purchased one month prior to the month of sale.the account payable period is 30 days and the account receivable period 15 days.the firm has monthly cash expenses of $180.what is the projected ending cash balance at the end of february?assume that every month has 30 days.