What are the two exceptions to the general rule that an entity should allocate the transaction price based on the relative standalone selling$$ prices? $($Select the two that$$ apply.$)$

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Part $1$

A$.$

When the contract includes variable consideration.

B$.$

When delivery happens before payment and interest revenue is recognized.

C$.$

When delivery occurs after payment and interest expense is recognized.

D$.$

When the discount is not related to all of the$$ contract's performance obligations.

E$.$

When the contract includes noncash consideration.

F$.$

When the contracts are negotiated as a package and have a single commercial objective.