How means salary by becisc 15000?

It seems there might be a typo in your question. If you're asking about a salary of 15,000, this typically refers to an annual income before taxes and deductions. To understand its meaning in a practical context, it's important to consider the cost of living in the specific area, which can greatly affect how far that salary will go. If you meant something else by "becisc," please clarify for a more accurate response.