Charlie's Chocolates plans a special discount on chocolate bars for a week, reducing the price from $2.00 to $1.50. Advertising costs $500. Charlie expects chocolate bar sales to increase by 35%, with a 10% decline in truffle sales. The weekly figures are:

Product	Sales Price	Variable Costs	Sales Volume
Chocolate Bars	$2.00	$1.00	1000
Truffles	$3.00	$1.50	600

Requirement: Determine the impact on sales and profitability.