I need help with problem 3

Classify each of the following items as a public good, a private good, a natural monopoly good, or a common resource.(a) measles vaccinations (b) tuna in the pacific ocean (c) airline service in the united states (d) local storm-water system

Luggage world buys briefcases with an invoice date of september 28. the terms of sale are 2/10 eom. what is the net date for this invoice

How much of your paycheck do you have immediate access to once you deposit it into your bank account a. all of it b. a portion of it c. none of it