The average tuition for a one-day C.E. course is about $125.
( ( ( The ( average tuition ) ) ( for ( a ( one-day ( C.E. course ) ) ) ) ) ( ( is ( about ( $ 125 ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ average) (NN tuition)) (PP (IN for) (NP (DT a) (JJ one-day) (NNP C.E.) (NN course)))) (VP (VBZ is) (NP (QP (RB about) ($ $) (CD 125)))) (. .)))
The average tuition for a one-day C.E. course is over $100, but for an extra $50 you get the textbook included. 
( ( ( ( ( ( ( The ( average tuition ) ) ( for ( a ( one-day ( C.E. course ) ) ) ) ) ( is ( over ( $ 100 ) ) ) ) , ) but ) ( ( for ( an ( extra ( $ 50 ) ) ) ) ( you ( get ( ( the textbook ) included ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (JJ average) (NN tuition)) (PP (IN for) (NP (DT a) (JJ one-day) (NNP C.E.) (NN course)))) (VP (VBZ is) (PP (IN over) (NP ($ $) (CD 100))))) (, ,) (CC but) (S (PP (IN for) (NP (DT an) (JJ extra) ($ $) (CD 50))) (NP (PRP you)) (VP (VBP get) (SBAR (S (NP (DT the) (NN textbook)) (VP (VBD included)))))) (. .)))