1-  Explain the effects of low price-guarantee on the price.  2-  Give reasons,

1-  Explain the effects of low price-guarantee on the price. 
2-  Give reasons, when average cost increases as the total output increases for an increasing cost industry.  
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I want 0% plagiarism.
And I want the answers, at least 3 lines
– I want the price $2 ($1 before and $1 after)