Which of the following goods is both nonrival and nonexcludable?

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  1. Which of the following goods is both nonrival and nonexcludable?
    a) A hot dog at a hot dog stand
    b) A soccer match in a stadium
    c) The light from a lighthouse at a harbor entrance
    d) A tuna in the ocean

  2. Which of the following goods is nonexcludable?
    a) A pizza at a pizza parlor
    b) A visit to the doctor at her office
    c) A soccer match in a stadium
    d) A tuna in the ocean

  3. Which of the following goods is nonrival?
    a) A visit to the doctor at her office
    b) A tuna in the ocean
    c) A pizza at a pizza parlor
    d) A soccer match in a stadium