A new delivery truck can be purchased for $30,000. The oid one could be sold today for $5,000, and has a book value of $3,000. In three years, the old truck will have a salvage value of $1,000 (and no book value). The new truck would be depreciated on a 5 year MACRS schedule. The firm's tax rate is 21% If the old truck is sold and the new one bought, and the new truck will save the 5 if 51 soo a year iq gas expenses, what is the operating cash flow for year 3