Your company needs to be a new machine. Given the choice between Model A and Model B, which should you choose and why? The interest rate is 13% A $4,000 $7,000 Cost Life 4 years 6 years Annual Cost to operate $900 $1,100 A, because its annual cost is about $400 less than B B, because its annual cost is about $400 less than A B, because its annual cost is about $600 less than A A, because its annual cost is about $600 less than B