x mobile company sells car batteries to service stations for an average of $85 each.the variable cost ofeach battery is $48 and monthly fixed selling cost total $6000. other monthly fixed costs of the company total $7000.

what is breakeven point in batteries?

what is the margin of safety assuming sales total $32000?

what is break even level in batteries assuming variable cost increase 20%?

what is breaking level in batteries assuming the selling price goes up by 10 % fixed selling cost declined by 10 % other fixed cost declined by $1000?