Problem Solving

Let 3 statements be made

(P) 10^2p - 10^p + 1 is divisible by 13 for the largest integer p < 10
(Q) The remainder on dividing 16! + 89 by 323 is q
(R) 46C23 leaves remainder r on division by 23

Then p+q+r equals
12
19
26
33
46