i t is your responsibility to replace an old piece of equipment with a with vendors, you have narrowed your choice down to the following A Model A $12.500 $6.800 $4.500 Model B $7.700 $1,600 $7,700 penting cost Share The benefits of each model are identical. If your company's MARR is 9%, and your company uses NPW for comparison, which alternative should be chosen? Assume the equipment will be needed for 6 years