For example, one semester hour of credit may cost $173.26; however, if it is subject to the excess credit hour surcharge, the same one semester hour of credit will cost $273.26.Note: Tuition rates above are for example purposes only.or example, if you are in a degree program that requires 120 semester hours to graduate, you will be subject to the excess credit hour surcharge for any credits taken after you reach 138 semester hours (115% of 120 semester hours).