Case pricing. Pricing teirs for B2B customers. Best app(s)?

I want to offer case pricing. (Example. qty 1 = $10, qty 10 = $9).

Best app?

I want discount tiers for b2b customers. (example: 10%, 15%, 20%, etc.) I want to assign a teir to a customer so when they purchase online they automatically get the discount.

Best App?

If you are looking for the vert best B2B solution one on the Shopify market, don’t forget to check https://apps.shopify.com/b2b-solution-custom-pricing

We have a big solution covering from a to z for every B2B store owners