Please answer ASAP

DROP DOWN OPTIONS ARE (cost depletion or percentage depletion)

Indicate which of the following accounting methods are allowed for the computation of earnings and profits: a. b. For depletion, E & P requires which method? When accounting for long-term contracts, E & Prules specify which method? For depreciation, E & P requires which method? For intangible drilling costs, E&P rules specify which treatment? c. d