Q: How to set up customer ABCD price with associated discounts?

Q: How to set B's price to be 3% lower than A's price?

Q: How to apply a discount to all products for the entire store?

A: Go to MC Boss to set “ABCD price with customer discount”  → Tap More → Settings → Price per customer→ Customer discount → Discount Settings → Set ABCD customer discount→ Enable “All products use same discount” if it's needed → Tap Return on top left corner → Save

Q: How to set up customer ABCD price with associated discounts by individual product?

A: Go to MC Boss  →  Tap Product → Select a product → Modify →  On description page and tap Price →  Tap Discount: enable Discount, and set discount for ABCD discount → Tap Return and 「 ✓ 」to save