Why do households prefer to use banks as intermediaries to invest their surplus funds? Select one: a. Transaction costs are low to the household since banks are more efficient in monitoring and gathering investment information. O b. To receive the benefits of diversification that households may not be able to achieve on their own. O c. The bank has can benefit from combining funds and negotiating lower asset prices and transactions costs. O d. The bank can provide insurance at relatively low cost that will protect funds under management. e. All of the above