code    final   grade
----    (80)
----   -----   -----
barn	74	A
book	42	C
chip	40	F
cold	50	B
drum	68	A
dune	19	D
edit	35	F
find	58	B
foot	54	C
hard	65	A
java	71	A
know	56	C
life	36	D
much	47	C
next	63	B
plus	43	C
quiz	40	D
shoe	27	D
sign	56	C
snow	46	D
term	34	D
time	49	C
unit	72	A
wave	70	A