Three mutually exclusive designs fora bypass are under consideration. The bypasshas a 10-yearfe. The first design incurs a costofS121 m "on fora net savings of $310,000 per annum_ The second desiW1 would cost $1_5 million fora netsavings of $410,000 per annwn. The third has a costof$2_09 nilionfor a netsavmgs of $510,000 per annum_ For each ofthe altematives, what range of values for the MARRresuttst1its being chosen? It is not necessary that any be chosen.