Ann: Appendix 4D and Interim Financial Report, page-3

With the expansion of "greenfields" head count has incresed to manage these new projects. Additionally the cost of contracting out the installation at these sites has added to that cost. (many being contracted to BulidingSense I imagine, which is why it has been purchased) Michael Nark specifically noted the cost increase in some webinars (which I suggest you listen too, rather than place any faith in what is my understanding)
High initial costing and low initial return will inverse over the life of each project. (which again is I suspect why they bought BuildingSense.
Good luck to holders. Pumping