Which factors affect a consumer’s demand for a product?
- Athe consumer’s income ✓, the consumer’s willingness to buy the product ✓, the price of the product ✓
- Bthe consumer’s income ✓, the consumer’s willingness to buy the product ✓, the price of the product ✗
- Cthe consumer’s income ✗, the consumer’s willingness to buy the product ✓, the price of the product ✓
- Dthe consumer’s income ✓, the consumer’s willingness to buy the product ✗, the price of the product ✓