The diagram illustrates the market for a normal good. What would most likely make both the demand and supply curves move to the right?
- Aa fall in the price of the good and a fall in the rate of indirect tax on the good
- Ba rise in the price of a complementary good and an increase in the number of firms in the industry
- Ca rise in the price of a substitute good and a fall in the price of a raw material used in the production of the good
- Dan improvement in production techniques and a fall in the incomes of consumers