Refer to the scenario above. If the number of participants in the auction increases to 20, Rebecca should place a bid of ________

A view of a spectacular sunset on a beach is ________

A) a rival and excludable good B) an excludable good C) a non-rival good D) a rival but non-excludable good

Assuming one can derive a correct input-output table, are there still any reasons to prefer the market to central planning?