Which statement best describes the relationship between Quality Assurance $($QA$)$ and Quality Control $($QC$)?($choose one$)$

QA focuses on correcting defects in the product, while QC focuses on preventing defects from occurring

QA and QC both aim to prevent defects from occurring, with QA focusing on process improvement and QC focusing on defect identification

QA is only concerned with process improvement, while QC is only concerned with product testing and inspection

QA and QC are two separate processes with no relationship between them