To correct the prior-period material error, the entity must, in the single-period statements issued for the current period, adjust the affected opening balances. Hence, the entity must debit equipment for its cost and credit accumulated depreciation for the depreciation expense appropriate for the first year of the estimated useful life. Retained earnings must be credited because the error understated profit or overstated loss in the prior period.

An advantage of distributed processing is fault tolerant, that is, the ability to continue processing at all site opt a nonfunctioning one.

Under the allowance method, uncollectible accounts are written off by a debit to the allowance account and a credit to accounts receivable. The US $500 bad debts is accounted for by a debit to accounts receivable and a credit to the allowance account. The US $2,000 bad debt expense is also credited to the allowance account. The amount of accounts receivable written off as uncollectible is US $2,200 [$5,000 ending allowance $4.700 beginning allowan,.8 + $500 recoveries + $2,000 bad debt expense)].

Segregation of duties is a basic category of control activities AU 319). Functions are incompatible if a person is in a position both to perpetrate and conceal fraud or errors.
Hence, the duties of authorizing transactions, recording transactions, and custody of assets should be assigned to different people. Those employees that operate the server may be able to override the controls to change records to conceal a theft of cash.

PERT Program Evaluation and Review Technique) is applied in the management of complex projects. It analyzes the project in terms of its component activities and determines their sequencing and timing. Thus, it systematically combines planning with control.