Assume 2,500 eligibles, therefore 2,325 total promotable at 93% rate. Assume no DNPs. At 70% DP rate, 1,750 get a DP. Assume 100% promotion for DPs for simplicity. The remaining pool is 2,325-1,750=575 eligible with a P. 575/2500=23% of the total promoted had a P. 575/750=76% of those with a P were promoted.