What effect will each of the following have on the supply of auto tires? a. A technological advance in the methods of producing tires: (Click to select) . b. A decline in the number of firms in the tire industry: (Click to select) . c. An increase in the price of rubber used in the production of tires: (Click to select) . d. The expectation that the equilibrium price of auto tires will be lower in the future than it is now: (Click to select) . e. A decline in the price of large tires used for semi trucks and earth-hauling rigs (with no change in the price of auto tires): (Click to select) . f. The levying of a per-unit tax on each auto tire sold: (Click to select) . g. The granting of a 50-cent-per-unit subsidy for each auto tire produced: (Click to select) .