Perhaps $100 is more to your liking or, perhaps, you would be interested in making several smaller gifts during the year.
( ( ( ( ( Perhaps ( ( $ 100 ) ( is ( more ( to ( your liking ) ) ) ) ) ) or ) , ) ( perhaps ( , ( you ( would ( be ( interested ( in ( ( making ( several ( smaller gifts ) ) ) ( during ( the year ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (ADVP (RB Perhaps)) (NP ($ $) (CD 100)) (VP (VBZ is) (ADJP (ADJP (JJR more)) (PP (TO to) (NP (PRP$ your) (NN liking)))))) (CC or) (, ,) (S (ADVP (RB perhaps)) (, ,) (NP (PRP you)) (VP (MD would) (VP (VB be) (ADJP (JJ interested) (PP (IN in) (S (VP (VBG making) (NP (JJ several) (JJR smaller) (NNS gifts)) (PP (IN during) (NP (DT the) (NN year)))))))))) (. .)))
If you are interested, you can give us small gifts throughout the year, or you can give us $100 now. 
( ( ( ( ( ( If ( you ( are interested ) ) ) ( , ( you ( can ( ( ( give us ) ( small gifts ) ) ( throughout ( the year ) ) ) ) ) ) ) , ) or ) ( you ( can ( ( ( give us ) ( $ 100 ) ) now ) ) ) ) . )
(ROOT (S (S (SBAR (IN If) (S (NP (PRP you)) (VP (VBP are) (ADJP (JJ interested))))) (, ,) (NP (PRP you)) (VP (MD can) (VP (VB give) (NP (PRP us)) (NP (JJ small) (NNS gifts)) (PP (IN throughout) (NP (DT the) (NN year)))))) (, ,) (CC or) (S (NP (PRP you)) (VP (MD can) (VP (VB give) (NP (PRP us)) (NP (QP ($ $) (CD 100))) (ADVP (RB now))))) (. .)))