Assume video streaming devices and streaming subscriptions are complements. Suppose there is a decrease in the cost of producing video streaming devices . In the market for streaming subscriptions, this change leads to a(n) in the equilibrium price, a(an) in the equilibrium quantity, and a(an) in producer surplus. decrease; increase; decrease. increase; increase; increase. decrease; decrease; decrease. decrease; decrease; increase. decease; increase; increase