The MainStay MacKay Tax Free Bond Fund, Class C (MTFCX) is a mutual fund that primarily invests in tax-exempt bonds issued by state and local governments. This fund aims to provide investors with a steady stream of tax-free income while also preserving capital. It is managed by MainStay Investments and MacKay Shields, two well-respected investment firms. The Class C shares of this fund have a lower expense ratio compared to other share classes, making it a cost-effective option for investors. Overall, MTFCX is a suitable choice for those seeking tax-free income and a conservative investment approach.