What is less liquid, Cash or Stocks and why?

the question using the following data, which show all available techniques for producing 20 units of a particular commodityresource resource prices possible production techniques#1 #2 #3 #4 #5land $4 2 4 2 4 4labor 3 1 2 4 1 3capital 3 5 2 3 1 2entrepreneurial ability 2 3 1 1 4 1assuming that the firm is motivated by self-interest and that the 20 units that can be produced with each technique can be sold for $2 per unit, the firm will

while setting up his new office, an attorney ordered thick, frieze carpets for the floor. however, the building inspector had him remove the expensive carpeting. the building inspector stated that according to federal regulations, the office must be wheelchair accessible as it is a public area. he further explained that since wheelchairs do not maneuver well in thick, frieze carpeting, the carpets had to be removed and be replaced with smooth-textured carpets that do not restrict wheelchair maneuverability. this scenario illustrates how a company is influenced by the component of its specific environment.

Which of these is not a result of regular exercise