An Architect Needs to Deliver an Upgrade to an 802

An architect needs to deliver an upgrade to an 802.11ac-based solution for a customer. The customer requires an active site survey for the new deployment. Which deliverable should the architect provide to the customer?

A) a heat map with proposed AP locations and actual tested coverage
B) a heat map with existing AP locations and actual tested coverage
C) a heat map with sources of RF interference, both 802.11 and non-802.11
D) a heat map with proposed AP locations and predictive coverage