XYZ Corporation prepares an annual budget for the upcoming year. The budgeted sales revenue is $1,000,000, and the budgeted production volume is 10,000 units. The variable cost per unit is $50, and the fixed costs are $200,000. During the year, actual sales revenue amounted to $950,000, and 9,500 units were produced and sold. Calculate the sales revenue variance, production volume variance, and overall profit variance.