The document discusses the effects of an interim agreement between Philphos, Century, and KSPC based on hourly average spot market prices from April 23 to April 30, 2011. It analyzes two scenarios for both Philphos and Century - maximizing contracted capacity nomination or nominating zero and paying for unnominated quantities. For both companies, the strategy is to maximize nomination if forecasted prices are above a threshold and nominate zero otherwise. It also compares estimated payables and expenses for Philphos and Century under each scenario.