The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. The expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed witha mean of $120 and a standard deviation of $23.1f the management wants to give free gifts to at most 15.62% of the customers. what should the amount be above which a customer would receive a free gift? Round your answer to two decimal places. A customer should spend at least $ to receive a free gitt