When a non-price factor changes--such as technology, expectations, prices of related goods, prices of inputs, or the number of sellers, there is a change in:
(a) quantity supplied and the entire curve shifts.
(b) supply, but the curve does not shift.
(c) quantity supplied and the supply curve does not shift.
(d) supply and the entire curve shifts.

when there is a change in the amount firms produce due to a change in price, this is referred to as a change in:
(a) supply, but the curve does not shift.
(b) quantity supplied and the entire curve shifts.
(c) supply and the entire curve shifts.
(d) quantity supplied and the supply curve does not shift.