A single search $($search $$A$)$ of a database retrieved a total of $8,734$ documents, of which $429$ pertain to the topic being studied. Several additional searches on the topic of interest were also conducted and these additional searches plus search $$A$$ retrieved a total of $12,832$ distinct documents, of which $1,987$ pertained to the topic of interest. Given all of the above information, with respect to search $$A$,$ what quantities can be calculated?