               <div class="rc-dropdown-menu">
                                <a class="rc-dropdown-item" href="#" onclick="sortAllDevices('total_revenue', 'desc')">Revenue (High to Low)</a>
                                <a class="rc-dropdown-item" href="#" onclick="sortAllDevices('total_revenue', 'asc')">Revenue (Low to High)</a>
                                <a class="rc-dropdown-item" href="#" onclick="sortAllDevices('deviceID', 'asc')">Device ID (A-Z)</a>
                                <a class="rc