User blog comment:PsiCubed2/Question: General breakdown of levels up to Second Order Arithmetic/@comment-30118230-20180204192313/@comment-1605058-20180205094906

1 and 3 are answered here. \(\Delta^1_2-CA+BI\) has PTO \(\psi_\Omega(\varepsilon_{I+1})\), while \(\Pi^1_1-CA\) has PTO \(\psi_\Omega(\Omega_\omega\varepsilon_0)\)

2. Yes, there is. For any class of formulas \(F\), like \(\Delta^1_2\), you can consider \(F-TR\) and \(F-TR_0\).