"The MSRB online system that gives non-professional investors key information about municipal securities, including issuer financial disclosures, notices of material events, real-time prices, and market statistics is called:"

EMMA

Explanation:

MSRB is an acronym for The Municipal Securities Rulemaking Board and it is a body that is in charge of the regulating the body that gives policies and rules for the financial institutions that issue and sell municipal securities.

EMMA gives non-professional investors key information about municipal securities, including issuer financial disclosures, notices of material events, real-time prices, and market statistics.

answer(c) factors of production;

answercountries with higher real income per capita tend to have higher levels of this index.