(a) When were her department’s cost containment measurements implemented and (b) what is the total amount in savings since the specified measures were implemented with regard to (i) no catering for internal meetings, (ii) the usage of her department's (aa) venues and (bb) facilities instead of outsourcing the same, (iii) the management of telephones and (iv) the reduction of (aa) outsourced services and (bb) consultation costs?