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 fixed overhead cost can be avoided. (Enter negative amounts using either a negative sign preceding the number eg. 45 or parentheses egg (45).) Using incremental analysis, determine whether Sandhill should accept this offer. The offer eTextbook and Media Attempts: unlimited (a2) The parts of this question must be completed in order. This part will be available when you complete the part above