help on all parts please

Cullumber, inc. has recentlystarted the manufacture of Tri-Robo, a three-whecled robot that can scan a home for fires and gas leaks and then transmit this information to a smartphone. The cost structure to manufacture 19,200 Tri Robos is as follows. Cullumber is approached by Tienh Inc. which offers to make Tri-fobo for $116 per unit of $2,227,200 Following are independent aswimptions. Assume that $405,000 of the fixed overhead cost can be avoided. (Enter negative amounts using cither a riesative signt preceding the number e.3, -45 or parentheses e.g. (45).) Usirut incremental analysis, determine whether Cullumber should accept this olfer. The offer Assume that none of the fixed overhead can be avoided. However, if the robots are purchased from Tienh Inc., Cullumber can use the released productive resources to generate additional income of $375.000. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).) Based on the above assumptions, indicate whether the offer should be accepted or rejected? The offe