Which group of government financial statements reports all revenues and all costs as well as all assets and liabilities of the governmental entity

Government-wide financial statements.

Explanation:

The government wide financial statement is a financial statement that conduct financial activity together in one place and record on accrual basis that have information related to the economic resources.

Therefore as per the given situation, it records all types of revenues, cost, assets and liabilities

Hence, the above is the answer

answer: it is a cellular phone

answer; engaging in effective public relations;