The vice president in charge of marketing believes that every increase in the selling price of one of the company products The products would load to a 0% decrease in the products total unit sales. The product costing unit product cost is $12.40. the variable production cost is $3.40 per unit and the variable and administrative cost is $7.80 per unit. The products price elasticity of demand as defined in the text is closed to: [if negative enter a minus sign first round to two decimal places]