Global Tech sells modern equipment. To purchase a new equipment for your company from Global Tech, you have narrowed down two equipment models which meet your technical and operational requirements equally. However, the schedule of payments of two models are different. Model A requires yearly payment of $15,500 for 5 years with the first payment to be made today. Model B requires yearly payment of $16,000 for 5 years with the first payment to be made end of year 1. Given yearly interest rate of 5.5%, which model would you purchase and why? please make in BA calculation