Ken and Maureen introduced Sherri to Rick who been in business for a decade making and selling high end credenzas make of cherry wood. Currently Rick sells each credenzas for $12,000 with variable costs of $8,000. Rick's fixed costs are $360,000. Required: If the tax rate is 25% how many credenzas (rounded to the nearest credenzas) need to be sold for Rick to earn net income of $90,000.