Monies transferred to a municipality by the board of trustees of a municipal free public library may be anticipated in the municipal budget for what purpose?

The correct choice reflects a crucial aspect of municipal budgeting regarding how libraries are funded and how these funds can impact the overall financial structure of the municipality. When the board of trustees of a municipal free public library allocates funds to the municipality, those funds can be utilized to offset costs that would otherwise need to be covered by increased taxation. This means that the municipality can plan for a lower tax burden on its residents by anticipating the funds received from the library board, thereby reducing the total amount that needs to be raised through local taxation.

This is part of prudent financial management within municipal budgets, especially ensuring that anticipated revenue from various sources can help alleviate the pressure on taxpayers. While other options might appear plausible regarding the use of library funds, they typically fall outside the standard practices of direct funding mechanisms in municipal budgets, which often prioritize tax relief and budget balancing as primary objectives.