Designating a specified time in 2008 to be a tax-free period during which the purchase of specified clothing or footwear not exceeding $100 in taxable price is exempt from the sales and use tax; designating a specified time in 2008 to be a tax-free period during which the purchase of specified appliances and products that meet or exceed applicable energy efficiency guidelines and solar water heaters are exempt from the sales and use tax; etc.