Erickson Industries is preparing its yearly financial statements. When preparing these statements, Erickson needs to include: I. The firms depreciation expense for the period. II. Details demonstrating how the firms depreciation amounts were calculated. III. Balances of the firms major classes of depreciable assets, grouped by nature and function. IV. The firms accumulated depreciation, either by major classes of depreciable assets or in total.

A : I, II, and IV.

B : II, III, and IV.

C : I, II, and III.

D : I, III, and IV.