How to Build a Ap English Calculator

function predictAPEnglishLitScore(mcCorrect, essayScores) {
  const mcScore = Math.min(mcCorrect, 55);
  const frRaw = essayScores.reduce((sum, s) => sum + Math.min(s, 6), 0);
  const frScore = frRaw * 3.0556; // scale to match MC weight
  const composite = Math.round(mcScore + frScore);

  const cuts = { 5: 79, 4: 64, 3: 49, 2: 34 };
  let apScore = 1;
  for (const [score, min] of Object.entries(cuts).sort((a, b) => b[1] - a[1])) {
    if (composite >= min) { apScore = parseInt(score); break; }
  }

  return {
    composite, maxComposite: 110,
    breakdown: { mc: mcScore, fr: Math.round(frScore * 10) / 10 },
    apScore, essays: { poetry: essayScores[0], prose: essayScores[1], argument: essayScores[2] }
  };
  }