The correct choice is (c) amylase
Best explanation: Household laundering is different from industry laundering. The household washing consists of wide variety of fabrics with range of materials and the user requires convenience and effectiveness with less consideration of cost. Home detergent mainly include amylase and protease enzymes. These detergent require lengthy warm water soaking time whereas in industrial laundering, it requires effectiveness at minimum cost so heated water is reused. They have totally different procedure of laundering.