or usea model 6A for $8.500 Tina bought a can 3 years ago for $8,000, she must now re ploce the old can by either buying new model 1A for $25.000 Tino han didided buy model 64. In this cos Tina wauld consider the sunk cost to be : At an activity level of 60.000 machine hours per month totol overhead cost of Su Xu Lid in 370.000, The overhead cort include the supervisor solany of 70000 (fixed) utility 180.000 (mixed) and other variable cost 120000. In previous month utility cost was 140.000 at an aut level of 40.000 direct lohan hours. If Suxu Ltd is projecting 55,000 madhine hours for the next month, the total overhead east would be closest to 1