In accordance with aspects of the disclosure, a system and methods are provided for managing resource allocation by generating a finance-investment plan relative to one or more time intervals while maintaining a cash reserve at a predetermined threshold based on information related to financial activities including asset related activities and liability related activities. The systems and methods may include evaluating accounts receivable patterns for each asset to determine cash surplus ranges within the one or more time intervals, evaluating accounts payable patterns for each liability to determine cash flow gaps within the one or more time intervals, maintaining an asset-to-liability ratio during the one or more time intervals, and generating the finance-investment plan while maintaining the cash reserve at the predetermined threshold within the one or more time intervals based on the asset-to-liability ratio and potential cash flow forecasting schemes for each asset and liability.