Solution Comparison Example

Criteria	Option A: Redirect Gateway	Option B: Embedded Payment	Option C: Manual Upload
Business fit	Good for quick rollout.	Best user experience.	Low fit for automation goal.
Effort	Medium.	High.	Low.
Risk	Medium, depends on callback reliability.	High, more security review needed.	High operational risk.
Dependency	Payment gateway redirect and callback.	Gateway SDK and frontend security review.	OPS/accounting manual process.
Recommendation	Recommended for phase 1.	Consider later.	Not recommended.