Fast as lighting is an oil change srevice drive-through that charges each customer $24.00 for an oil and filter change services. Fast as lightning has found that it costs its business $16.00 per oil and filter change. Monthly fixed costs are $44,000, current sales are $8,000 services.

a.compute the break even sales in units

b.compute fast as lightnings margin of safety in units and sales dollars

c.compute fast as lightnings margin of safety as a percentage

d.compute fast as lightnings operating leverage factor

e. compute fast as lightnings % of operating income decline if sales fall by 18%