One end of a copper rod of length 1.0 m and area of cross-section 10^-3 m² is immersed in boiling water and the other end in ice. If the coefficient of thermal conductivity of copper is 92 cal/m-s-C⁰ and the latent heat of ice is 8 x 10⁴ cal/kg, then the amount of ice which will melt in one minute is:

• A

  9.2 x 10^-3 kg

• B

  8 x 10³ kg

• C

  6.9 x 10-3 kg

• D

  11.5$\times {10}^{-5}$ kg