The following errors were discovered in May 2021 by the controller for Caribbean Networks: * Routine maintenance expenses costing $600 to service the office computer equipment was recorded as a debit to Computer Equipment and a credit to Cash. What will be the correcting entries required on May 31, 2021? O a. Debit Maintenance expenses $600; Credit Cash $600 O b. Debit Maintenance expenses $600; Credit Computer equipment $600 O c. Debit Computer equipment $600; Credit Cash $600 O d. Debit Maintenance expenses $600; Credit Accounts payable $600 The following errors were discovered in May 2021 by the controller for Caribbean Networks: * Caribbean collected $6,000 of the account due from a client. This transaction was recorded as a debit to Cash and a credit to Communication Revenue. What will be the correcting entries required on May 31, 2021? . Debit Communication revenue $6000; Credit Accounts receivable $6000 Ob. Debit Accounts receivable $6000; Credit Communication revenue $6000 c. Debit Cash $6000; Credit Accounts receivable $6000 O d. Debit Communication revenue $6000; Credit Accounts payable $6000 The following errors were discovered in May 2021 by the controller for Caribbean Networks: * On May 19, cash of $12,000 was received in advance by a client. Cash was debited and Communications Revenue was credited for $12,000. What will be the correcting entries required on May 31, 2021? O a. Debit Unearned revenue $12,000; Credit Communication revenue $12,000 O b. Debit Communication revenue $12,000; Credit Accounts receivable $12,000 Oc. Debit Communication revenue $12,000; Credit Accounts payable $12,000 O d. Debit Communication revenue $12,000; Credit Unearned revenue $12,000