Write me a research proposal on the following topic:

The impact of social media advertising on consumer purchasing behavior in Namibia. A Case of Namibia Breweries. Use intext citation and provide references in APA style. Follow the following format:

PROPOSAL FORMAT AND GUIDELINES

1 INTRODUCTION

1.1 Background of the study

1.2 Statement of the problem

1.3 Objectives of the Study

1.3.1 The main objective

1.3.2 Sub-objectives

1.4 The research questions/

1.5 HYPOTHESIS (if applicable)

1.4.1 Main research question

1.4.2 Sub questions

2 LITERATURE REVIEW

2.1 Theoretical literature

2.2 Empirical literature

2.3 Theoretical framework

2.4 Conceptual framework (if applicable)

3 RESEARCH METHODOLOGY

3.1 Research Design

3.2 Research philosophy

3.2 Research Approach/Methods

3.3 Population

3.4 Sample Size

3.5 Data collection

3.6 Data analysis

3.7 Trustworthiness, credibility and Confirmability/ Validity and Reliability

3.8 Ethical considerations

3.9 Limitations

3.10 Delimitations

3.11 Assumption

3.12 Significance of the Study

4 Reference list