Suppose the United States and Japan produce only cell phones and digital music? players, like? Apple's iPod. Assume that each country uses only labor to produce each? good, and that Japanese and U.S. cell phones and digital music players are exactly the same. Output per Hour of Work Cell Phones Digital Music Players Japan 66 33 United States 11 22 Determine the missing opportunity costs in the table below and fill in the missing values. ?(Enter your responses rounded to one decimal? place.) Opportunity Costs Cell Phones Digital Music Players Japan 0.50.5 nothingm United States nothingm 0.50.5.