Assume that Harbin and Shenyang (two cities in China) can switch between producing bicycles and food carts at a constant rate. Quantity Produced in 36 Hours Bicycles Food Carts Harbin 18 6 Shenyang 18 9 Refer to Table 3-27. The opportunity cost of 1 bicycle for Shenyang is Question 4 options: 1/3 food cart. 1/2 food cart. 2 food carts. 3 food carts