Ingrid processes and bottles jam in her home-based business. Her fixed costs are $275 per month and the variable cost per jar is $1.22. She averages 120 jars per month. To break even she must sell the jars for to the local grocery stores for $3.20. She would like to make a profit of $500, for how much should she sell the jars to realize this profit? Answer rounded to 2 decimal places (nearest cent) and type $ as the units.