Deferred Pricing and Benchmarks in Cost-Plus Sale (مرابحة)

Read-only question overview. Answers and scoring remain inside authenticated learner attempts.

• Why is an excess in deferred exchange of the same currency problematic?
• Can a seller quote one cash price and a higher credit price?
• After the deferred price is fixed, it may be increased for every month of late payment.
• Why may a commodity have a higher credit price?
• Using an interest-rate benchmark automatically makes a genuine Murabahah an interest-bearing loan.
• Why is reliance on an interest benchmark still undesirable?
• What is the preferred long-term direction for Islamic benchmarks?