WIll someone please explain step by step how to do this? Thank youCustomers at Costco spend an average of $130.00 per trip. One of Costcos rivals would like to determine whether its customers spend ore per trip. A survey of the receipts of 25 customers found that the sample mean was $135.25. Assume that the population standard deviation is $10.50 and that spending follows a normal distribution Solve using the .05 significance level.