Question: A company first purchased a CNC machine for $100K and has used it for 3 years. It's economic life then was estimated at 6 years with a residual value of $10K. Another vendor has offered a replacement that will have lower O&M and last 10 years. The new vendor has offered to buy your present CNC machine for $50K(it shown in the company's books as having a depreciated book value of $60K). His price for the new machine is $120K. Your O&M cost for your current machine is $5K/year. The claims his CNC machine will only cost$3K/year and can be sold at the end of 10 years for $10K. Should you replace your current machine? MARR is 10%.

54% .ooo AT&T LTE 5:59 AM 3. (30 Points) A 20 lb homogeneous box A has tipped and is resting against a 40 lb. homogeneous box B.The contact surface between the two boxed issmooth (No friction. The coefficient of friction between boxA and the floor is 0.7. The coefficient of friction between box Band the floor is 0.4. Determine if the boxes are in equilibrium. 24in 24 in 24in 12 in