Best known for his portraits of spanish nobles during spain's golden century.
a. el greco
c. miguel de cervantes
b. diego velazquez
d. lope de vega

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

the answer is a) high entry costs