In response to my recent post on concentrated soaps , Sue writes : Bob & I had a discussion after your last post on this topic . We had a large bottle of concentrated soap , and a small soap bottle empty . So we filled the empty bottle to the 1/4 mark with the concentrate , and diluted it 3:1 with water .

Question: Why might the people have done this ?
Answer: Because they do n't have much soapTo save moneyBecause someone told them toNone of the above choices .