Romeo Corporation is producing goods mostly by manual labour and considering replacing it by a machine. There are two alternative models for the machine: Machine Alpha and Machine Beta. Information regarding the two machines is given below: Initial cost (SEK) Estimated life (year) Residual value (SEK) Estimated cash inflows (SEK): Machine Alpha 180 000 4 Machine Beta 360 000 5 0 0 1 year 2nd 3 year year year year 70 000 80 000 90 000 90 000 90 000 110 000 120 000 120 000 100 000 5% Required: a. Calculate the payback period for Machine Alpha. b. Calculate the payback period for Machine Beta. c. Which machine will be selected