help me out please

Consider the model of labor-leisure choice where consumer preferences are given by the utility function over consumption and leisure: The consumer is endowed with 16 hours of time to divide between leisure and work - the other 8 hours are spent sleeping. The wage is constant at $20 per hour and consumption is measured in dollars (so the price of consumption is normalized to one) What is the utility optimizing choice of consumption? Round your answer to two decimal places