The United States federal budgetary process is governed by a series of established protocols that involve both the executive and legislative branches. Among the significant actors in this procedure, the Chief Financial Officer (CFO) of the Office of Management and Budget (OMB) plays a pivotal role in overseeing budgetary compliance and financial management. However, one lesser-known aspect of this interface involves how budget proposals are prioritized and ultimately allocated funding. Which of the following most accurately describes the order of operations in determining the allocation of discretionary spending once the President's budget proposal is submitted to Congress?