In a recent market research study, a company analyzed consumer purchase data of three product categories: electronics, clothing, and groceries. The breakdown of purchases is as follows:
The survey aimed to understand the average amount spent by consumers in each category per month. The results indicated that, on average, consumers spent $200 on electronics, $150 on clothing, and $300 on groceries during the month.
Based on this data, what is the average percentage of total monthly expenditure consumers allocated to each product category?