This table shows the units of output a worker can produce per hour in New South Wales and Victoria. Mangoes Apples 3 NSW Victoria A 16 The opportunity cost of 1 mango in NSW is: o 3 apples O 3 mangoes o 9 mangoes None of the other answers is correct O 1/3 of an apple Consider the table below. It shows the number songs and poems that Xueting and Thomas can prepare in a day's work. At what prices for a poem are they willing to trade? poems songs 10 Xueting Thomas O The price of a poem should be higher than 1 song and lower than 2 songs. The price of a poem should be higher than 8 songs and lower than 20 poems. 0 The price of a poem should be equal to 8 songs. O None of the other answers is correct o The price of a poem should be higher than 12 song and lower than 1 song