$510-515$

$3.$ The total capital investment for a hydrometallurgical plant of zinc production is Rs$.10Cr$ and the plant produces $4,000$ tons of products annually. The selling price of zinc product is Rs$,0\mathrm{.}33$ Lakhs$/$ton$.$ The working capital amounts to $16\%$ of total capital investment $($TCI$).$ For the imestment, which is made by company funds, no interest is charged. Raw material $($zinc concentrate$)$ costs for the zinc product are Rs$.0\mathrm{.}036$ Lakhs$/$ton$,$ labor Rs$.0\mathrm{.}032$ Lakhs$/$ton$,$ utilities Rs$.0\mathrm{.}02$ Lakhs$/$ton and packaging Rs$.0\mathrm{.}0032$ Lakhs$/$ton$.$ Distribution costs are $4\%$ of the total production costs $($TPC$).$ Estimate the following:

A$.$ Manufacture cost per ton of product.

B$.$ Total production cost per year

C$.$ Profit per ton of product after taxes.

D$.\%$ ROI

E$.$ Payout time