Answer:
b. $20.
Explanation:
Regardless of what the break-even volume is, at this volume profits are zero.
This means that any unit sold beyond this point will provide a profit equivalent to its marginal benefit, which is its selling price subtracted by its variable cost.
If a product sells for $50 and has a variable cost of $30, by selling one unit in excess of its break-even volume, the profit will be:

The profit will be $20.
The equilibrium point in a competitive market exists at the point of optimal market efficiency.
<h3>What is competitive market?</h3>
A competitive market exists a term in economics that guides to a marketplace where there exist a large number of buyers and sellers and no single buyer or seller can influence the market. Competitive markets have no obstacles to entry, lots of buyers and sellers, and homogeneous products.
In economics, especially general equilibrium theory, A perfect market also understood as an atomistic market, is determined by several idealizing requirements, collectively anointed perfect competition or atomistic competition.
No, the monopoly can never be additional efficient than the perfectly competitive market because the competitive market exists at the point of optimal market efficiency and the monopoly will deliver at the point where the MR and the MC stand equal. here the market has the excess capability and a dead weight loss.
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The statement "<span>Generally speaking there are no time limit rules in the U.S. Senate" is false. There is a time limit in the US senate</span>
A person's taxable income is calculated by deducting all allowable deductions and tax-free expenses from their gross total income, which is a rather straightforward formula.
When applied to a person, it is represented as, Formula for Calculating Taxable Income: Gross Total Income - All Exemptions - All Deductions
Income subject to tax: $19,606
$41,821 in taxable income
9,838 Taxable Income
The amount of income used to determine how much tax an individual or business owes the government in a specific tax year is known as taxable income. Knowing one's total taxable income is crucial because it makes calculating the final amount of tax that will be paid or refunded much simpler.
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A. I think that’s the answer, hope it works