A lаbоrаtоry аcquired a new analyzer that generated a net prоfit (gain from investment) of $[a] over the period. The analyzer cost $[b] to acquire. What is the Return on Investment (ROI) for this analyzer, expressed as a percentage?Formula: ROI = (Gain from Investment ÷ Cost of Investment) × 100(Round to one decimal place. Enter the number only — no % sign.)