Norman, a partner of Dalextiles, a garment wholesale firm, offers discounts to giant retail apparel stores if the quantity of products bought from Dalextiles is more than their actual purchase requirement. In the context of managerial roles, which of the following decisional roles does Norman exemplify in this scenario?

A) The disturbance handler role
B) The resource allocator role
C) The disseminator role
D) The negotiator role