According to the Wagner Act, employers are required to: Select one: a. give union members higher wages than non-union members. b. recognize a union if they are presented with a signed petition by employees. c. encourage employees to vote "yes" to union representation. d. bargain in good faith with a duly elected representative of the employees. e. pay union leaders a reasonable salary for their union service.

Option D

Explanation:

The Wagner act was targeted at private sector employees to engage in unions ,and also encourages employers to bargain with unions with good faith. It allows the employee to be involved in strikes and activities of the unions.

With this employers can bargain with unions in good faith ,as occasionally, they carry out strikes if the employees are not treated well or there is a breach in agreement. So this acts enables employers to bargain with unions.

it's

it would be d). more resources must be obtained to attain that combination of goods and services