Suppose tuna is a normal good. Which of the following would cause the supply of tuna to decrease? Select one: A An increase in the price of tuna. B. A decrease in national income. C. A decrease in productivity of tuna fishermen. D. An increase in national income. E. A decrease in the price of tuna, F. An increase in productivity of tuna fishermen. .

1. Suppose tuna is a normal good. Which of the following would cause the supply of tuna to
decrease? Select one: A An increase in the price of tuna. B. A decrease in national income. C. A
decrease in productivity of tuna fishermen. D. An increase in national income. E. A decrease in
the price of tuna, F. An increase in productivity of tuna fishermen.