Facebook cost

What is the total amount of money the GLA has spent on Facebook for the 2015/16, 2016/17, 2017/18, 2018/19 financial year? Please also provide a breakdown of how this was spent.

What is the total amount of money the GLA has spent on Facebook for the 2015/ 16, 2016/17, 2017/18, 2018/19 financial year? Please also provide a breakdown ...