For the population of chief executive officers, let salary be annual salary in thousands of

For the population of chief executive officers, let salary be annual salary in thousands of dollars. Suppose salary and return on equity (roe, defined in terms of net income as a percentage of common equity) are related by the conditional expectation E(salary l roe)= 963.191 + 18.501 *roe. Suppose E(roe)=17. Find E(salary).