Final answer:
Monthly budgeted expenses should be planned at the start of each month to effectively manage fixed and variable costs.
Explanation:
To plan fixed and variable monthly budgeted expenses, it is best to start at the start of each month. Fixed expenses remain constant each month while variable expenses can fluctuate, so having a budget in place at the beginning helps in managing these costs effectively. Reviewing the budget midway through the month allows for adjustments, and reviewing at the end helps in preparing for the upcoming month.
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