Travis works for a business that manufactures industrial metal clocks. All of the following are processes the clock maker must pass the inputs through before they are turned into the final outputs, clocks for his customers, except

A) cutting metal sheets into circles for the clock center, numbers, and clock hands.
B) welding the metal pieces together to form the clock's basic design.
C) selling the finished clocks to customers.
D) heating and shaping repurposed metal into the clock frame.
E) applying metal sealant to keep the metal from rusting or oxidizing.

Hours to produce one unit worker hours to produce yarn country a 8 hours country b 4 hours worker hours to produce fabric counrty a 12 hours country b 13 hours additional worker hours to produce fabric instead of yarn country a ? country b? which of the follow is true of the trade relationship between country a and country b? country a has an absolute advantage in producing yarn and fabric country b has an absolute advantage in producing yarn and fabric country b has a comparative advantage to country a in producing fabric country a has a comparative advantage to country b in producing fabric