tt would cost another $16,500 to modify it for speclal use by your firm. The chromatograph, which falls into the Macks 3.yoar class, would be seld after Jyears for $26.600. The Macks rates for the frist 3 years are 0.3333,0.4445 and 0.1481. Use of the equibment would require an increase in set working cacital (spare parts ifyentory a $2.700. The machine noulf hare no effect on value, it anv, thould be indicated by a minus rign. Do not round intermediate calculations, Round ypur answers to the nearest dollar