XMobile Company sells car batteries to service stations for an average of $75 each. The variable condok each battery is $45 and monthly fixed selling costs total $6,500. Other monthly fixed costs of the company total $7,500 Required: a. What is the breakeven point in batteries? b. What is the margin of safety, assuming sales total $35,000? What is the breakeven level in batteries, assuming variable costs increase by 25%? d.What is the breakeven level in batteries, assuming the selling price goes up by 15%, fixed selling costs decline by 15%, and other fixed costs decline by $1,500