An oil refinery finds that it is necessary to treat the waste liquids from a new process before discharging them into a stream. The treatment will cost $30,000 the first year, but proces year. As an alternative, an outside company will process the wastes for the fixed price of $15,000/year throughout the 9 year period, payable at the beginning of each year, Elther we annual worth method to determine how the wastes should be processed. The company's MARR is 5%. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 5% per year. The AW of the in-house treatment is $(Round to the nearest dollar.) The AW of the outside treatment is $(Round to the nearest dollar) The processing is the most economical alternative O waste liquide from a new process before discharging them into a stream. The treatment will cost $30,000 the first year, but process Improvements will now the costs to decine by $3.000 each ces the wastes for the fixed price of $15,000/year throughout the year period, payable at the beginning of each year. Ether way, there is no need to treat the wastes after years. Use the should be processed. The company's MARRIS 5% table for discrete compounding when the MARR is 5% per year to the nearest dollar) the nearest dollar) alternative