Which statements are correct?
1 When output increases, fixed costs per unit decrease.
2 When output increases, variable costs per unit stay the same.
3 When output decreases, total fixed costs stay the same.
4 When output decreases, total variable costs decrease.
1, 2, 3 and 4
2 )
1 and 2 only
3 )
1, 3 and 4 only
4 )
2 and 3 only
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