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Carla Vista, Inc has recently started the manufacture of Tri-Robo, a three-wheeledrobot that canscan a hoire for fires and gas leaks Carla Vista is approsched by Tienh inc, which offers to make Tri-Robo for $119 per unit or $2,487,100 Assume thar none of the foxed overthead can be awoided. However, if the robots are purchased from Tienh inc, Carta Vista can use sign preceding the number es. -45 or parentheses es. (45).)