During field evaluation of a combine harvester, total grain collected at the grain tank was $135 \mathrm{~kg}$. Amount of threshed grain found over walker and shoe were $0.65 \mathrm{~kg}$ and $2.4 \mathrm{~kg}$, respectively. Unthreshed grain lost with straw and chaff were $4.54 \mathrm{~kg}$ and $0.28 \mathrm{~kg}$, respectively. Threshing efficiency of the combine harvester in percent is

(A) 94.37

(B) 94.49

(C) 96.50

(D) 96.63

During field evaluation of a combine harvester, total grain collected at the grain tank was $135 \mathrm{~kg}$. Amount of threshed grain found over walker and shoe were $0.65 \mathrm{~kg}$ and $2.4 \mathrm{~kg}$, respectively. Unthreshed grain lost with straw and chaff were $4.54 \mathrm{~kg}$ and $0.28 \mathrm{~kg}$, respectively. Threshing efficiency of the combine harvester in percent is

(A) 94.37

(B) 94.49

(C) 96.50

(D) 96.63

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