The moneyr supplyr has increased from $1.4 trillion to $1.45 trillion. Which of the following could have caused this increase? Select one: C) a. an increase in the discount rate O b. banks hold excess reservesjust in case 0 c. consumers deposit currency into the bank Q d. sale of government securities \fWhich of the following is the best example of a good that is excludable and nonrivalrous on consumption? Select one: 0 a. cable television 0 b. a radio broadcast O c. police protection 0 d. a lighthouse 0 e. fishing