The following question is based on the chapter closing case study of chapter $3$ in the prescribed book, $8$th edition. How does eThekwini Municipality's approach to purchasing and supply support its goal of achieving energy independence by $2035?$

By issuing a Request for Proposals $($RFP$)$ for $400$MW of new energy capacity to attract a range of suppliers and ensure competitive pricing.

By exclusively contracting with a single energy supplier to streamline procurement and reduce administrative costs.

By focusing solely on international suppliers for energy projects to leverage global expertise and technology.

By avoiding the use of independent power producers to concentrate all efforts on traditional energy sources.