The following table lists the components needed to assemble an end item, lead times $($in weeks$),$ and quantities on hand. Item Lead TimeAmounton HandDirect ComponentsEnd $10$ L$(2),$ C$(1),$ K$(3)$L $17$ B$(2),$ J$(3)$C $218$ G$(2),$ B$(2)$K $223$ H$(4),$ B$(2)$B $131$ J $228$ G $24$ H $20$ Click here for the Excel Data File a$.$ If $43$ units of the end item are to be assembled, how many additional units of B are needed? $($Hint: You dont need to develop an MRP plan.$)$ b$.$ An order for the end item is scheduled to be shipped at the start of week $14.$ What is the latest week that the order can be started and still be ready to ship on time? $($Hint: You dont need to develop an MRP plan.$)$