A$15$ B$25$ C$15$E$15$D$1520$FG $25$All times are in seconds in the precedence diagram.In this precedence diagram the total task time is $130$ sec$.$Cycle time is $54$ sec$/$unitThe assembly line is as follows:WS$1-$ BWS$2-$ CDWS$3-$ AWS$4-$ EWS$5-$ FGWhat is the efficiency of the assembly line listed above? Choose the closest answer.$($Please note, you do not need to calculate TM$.)0\mathrm{.}400\mathrm{.}800\mathrm{.}480\mathrm{.}880\mathrm{.}600\mathrm{.}34$