Which of the following code blocks creates a new DataFrame with a column named `employeesPerSqft` calculated as the division of `numberOfEmployees` by `sqft` from the original DataFrame `storesDF`? The `employeesPerSqft` column does not exist in `storesDF`.

Exam-Like

storesDF.withColumn("employeesPerSqft", col("numberOfEmployees") / col("sqft"))

74.1%

storesDF.withColumn("employeesPerSqft", "numberOfEmployees" / "sqft")

9.9%

storesDF.select("employeesPerSqft", "numberOfEmployees" / "sqft")

2.5%

storesDF.select("employeesPerSqft", col("numberOfEmployees") / col("sqft"))

6.2%

storesDF.withColumn(col("employeesPerSqft"), col("numberOfEmployees") / col("sqft"))

7.4%

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