Wolfgang Kersten Mfg$.$ intends to increase capacity through the addition of new equipment. Two vendors have presented proposals. The fixed costs for proposal X are $$150,000,$ and for proposal Y$,$ $$170,000.$ The variable cost for X is $$120\mathrm{.}00,$ and for Y$,$ $$100\mathrm{.}00.$ The revenue generated by each unit is $$200\mathrm{.}00.$ a$)$ The break$-$even point in units for proposal X is units $($enter your response as a whole number$).$ b$)$ The break$-$even point in units for proposal Y is units $($enter your response as a whole number$).$Wolfgang Kersten Mfg$.$ intends to increase capacity through the addition of new equipment. Two vendors have presented proposals. The fixed costs for proposal X are $$150,000,$ and for proposal Y$,$ $$170,000.$ The variable cost for X is $$120\mathrm{.}00,$ and for Y$,$ $$100\mathrm{.}00.$ The revenue generated by each unit is $$200\mathrm{.}00.$ a$)$ The break$-$even point in units for proposal X is units $($enter your response as a whole number$).$ b$)$ The break$-$even point in units for proposal Y is units $($enter your response as a whole number$).$