Current Attempt in Progress Sandhill, Inc, has recently started the manufacture of Tri-Robo, a three-wheeled robot that can scan a home for fires and gas leaks and then transmit this information to a smartphone. The cost structure to manufacture 21,000 Tri-Robos is as follows. Sandhill is approached by Tienh Inc, which offers to make Tri-Robo for $113 per unit or $2,373,000. Following are independent assumptions. (a1) Assume that $405,000 of the fored oveshead cost can be avoided, (Enter negotive amounts usirge ether a negative sign preceding the: number es -45 or parentheseseg (-45)