CRM is $\_\_\_\_\_\_\_.$

$1.$

used to monitor, control and link each of the functional activities involved in marketing, selling and delivering products to customers

$2.$

focused on increasing the organisation$$s responsiveness to customers to improve customer experiences

$3.$

used to improve quality by systematically improving activities and then measuring the improvement

$4.$

focused on improving the quality of an organisation$$s products and stresses that all of the organisation$$s activities should have this goal