The gross pay Paula earned is $1052.50. The commission she receives is calculated as a percentage of sales initiated by her.
Commission refers to an incentive paid to an agent or employee on the achievement of a certain target. It is generally expressed as a percentage of sales.
The commission earned by Paula can be calculated as:
[tex]\rm Commission = Sales \times 5\%\\\\\\rm Commission = \$3,250 \times 5\%\\\\\rm Commission = \$162.50[/tex]
The gross pay of Paula will be:
[tex]\rm Gross \:pay = Salary + Commission\\\\\rm Gross \:pay = \$890 + \$162.50\\\\\rm Gross \:pay = \$1052.50[/tex]
Therefore the correct option is B.
Learn more about the commission here:
https://brainly.com/question/929522