Which of the following numbers will replace the question

In a portfolio investment?

Assertion (A): Use of goods and services from which one can be excluded are pure private goods.

Which of the following is NOT a postulate of the Classical Model of full-employment equilibrium?

For the 2 variables x and y with the same mean, the regression equation are y = 5x+b and x=7y +c. Calculate b/c

If the price elasticity of demand for apples is 3, then what will be the impact on total revenue if price increases?

The marginal cost of production is MC=0.3x+4, determine the cost involved to increase production from 70 to 100 units.