The strPhone variable should contain only numbers and no dashes (-).An error message should display if there is a dash anywhere in the variable.Which of the following statements determines whether the variable contains a dash in order to display the message? 
Definitions:
Female/Male Earnings Ratio
A measure comparing the average earnings of female workers to those of male workers, often utilized to highlight gender pay gaps in the workforce.
Law of Diminishing Returns
An economic principle stating that if one factor of production is increased while others remain constant, the overall returns will eventually decrease after a certain point.
Marginal Cost
The financial outlay for making one extra unit of a product or service.
Capitalist Economy
An economic system where private individuals or businesses own capital goods, and the production of goods and services is based on supply and demand.
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