Please give me the full explanation and answer in the terms of Automotive or Automobiles

Question 7 Read the scenario and then answer the questions. A customer has asked you to make an electrical modification to their vehicle, i.e. a lighting system upgrade, an electric accessory system or an engine electronic management system upgrade (performance upgrade). Choose one and develop an estimate and quote for the mechanical modification taking into consideration the following: 1. Identily and list any required PPE and specially tools needed to complete the work. 2- State reasons for brands of parts chosen -.e.- cost and quality considerations, as well as how your modification will improve performance, 3- State manufacturer specifications for the original system components, along with the new specifications. 4- Provide estimates and costings for labour and parts, showing reference to costing catalogues and labour time guides 5- Show costings for any external products or services -i.e. specific manufacturing or finishing of components. 6- List and briefly describe any-Australian Design Rules (ADRs)- and/or Vehicle Safety Bulletins (VSBs)- that relate to the system you are modifying. Describe, how your modifications adhere to the requirements