To raise operating funds, Signal Aviation sold an airplane on January 1, 2021, to a finance company for $770,000. Signal immediately leased the plane back for a 13-year period, at which time ownership of the airplane will transfer to Signal. The airplane has a fair value of $800,000. Its cost and its book value were $600,000. Its useful life is estimated to be 15 years. The lease requires Signal to make payments of $102,771 to the finance company each January 1. Signal depreciates assets on a straight-line basis. The lease has an implicit rate of 11%.
Required:
Prepare the appropriate entries for Signal on January 1, 2021 and December 31, 2021, to record the transaction and necessary adjustments. (Round your intermediate and final answers to the nearest whole dollar amount. If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)

World systems manufactures an optical switch that it uses in its final product. world systems incurred the following manufacturing costs when it produced 74 comma 000 units last​ year: ​(click the icon to view the manufacturing​ costs.) another company has offered to sell world systems the switch for $ 13.50 per unit. the world systems prepared an outsourcing decision analysis to show the cost per unit of making the switches versus the cost per unit of buying​ (outsourcing) the switches. ​(click the icon to view the outsourcing decision​ analysis.) world systems needs 86 comma 000 optical switches next year​ (assume same relevant​ range). by outsourcing​ them, world systems can use its idle facilities to manufacture another product that will contribute $ 140 comma 000 to operating​ income, but none of the fixed costs will be avoidable. should world systems make or buy the​ switches? show your analysis.