In a complexometric titration of metal ion with ligand $M($ Metal ion $)+L($ Ligand $) \rightarrow C

Question

In a complexometric titration of metal ion with ligand $M($ Metal ion $)+L($ Ligand $) \rightarrow C($ Complex $)$, end point is estimated spectrophotometrically (through light absorption). If ' $M$ ' and ' $C$ ' do not absorb light and only ' $L$ ' absorbs, then the titration plot between absorbed light $(A)$ versus volume of ligand ' $L$ ' $(V)$ would look like

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(d)