One disadvantage of a sole proprietorship as a form of business organization is that: a. owners of sole proprietorships generally find it difficult to negotiate separation agreements with the other partners in the firm. b. sole proprietorships are less efficient than corporations, because they are less specialized in production. c. owners of sole proprietorships generally have very little control over how they operate their businesses. d. sole proprietorships cannot lower the transaction costs associated with contracting with resource owners. e. owners of sole proprietorships can lose all their personal assets if the business is sued or fails.