people only value what they pay for. Question 16 options: True False Question 17 (1 point) No purchase should be authorized without an approved __________. Question 17 options: Invoice Tax Receipt Purchase Order Question 18 (1 point) The currency exchange rates does not change every day. Question 18 options: False True Question 19 (1 point) Event budget is a general guide to the ________ projected for the event. Question 19 options: Operating hours Labour hours Income and expense Question 20 (1 point) If the revenue projections are way ahead of schedule, the ________ will also increase proportionately. Question 20 options: Profit Fixed costs Variable costs