4. For EACH of the following statements, determine whether there has been a change in supply or a change in quantity supplied.a. The price of Canadian-grown peaches skyrockets during an unusually cold summer that reduces the size of the peach harvest.b. An increase in income leads to an increase in the price of family-restaurants meals and to an increase in their sales.c. Technological improvements in electronic publishing lead to price reductions for e-books and an increase in e-book sales.