Select the best choice to identify the true statement$($s$).$

a$.$ SAP HANA is an ERP$-$related technology $($available via Cloud these days$)$ that is proprietary to Oracle.

b$.$ As per the BA$270$ class lecture on quality, a process is said to be a "capable" process if capacity $($supply$)$ exceeds customer demand.

c$.$ A good quality engineer should prefer to have specification limits to be within control limits$.$

d$.$ Specification limits are based on product specifications provided by an employee who is a Six Sigma black belt.

e$.$ None of the above choices $($a$,$ b$,$ c$,$ and d$)$ are true.