Tuition and fees at public four-year and public two-year institutions from 2000-2015 are shown in the table below. Values have been adjusted to 2014 dollars to account for inflation.

Average Tuition and Fees in 2014 Dollars 2000-01 to 2014-15
Academic Year	Public Four-Yr	Public Two-Yr
00-01	$4,837	$2,264
01-02	$5,055	$2,158
02-03	$5,421	$2,214
03-04	$6,018	$2,473
04-05	$6,448	$2,615
05-06	$6,696	$2,660
06-07	$6,795	$2,653
07-08	$7,081	$2,624
08-09	$7,148	$2,580
09-10	$7,825	$2,842
10-11	$8,337	$2,997
11-12	$8,728	$3,135
12-13	$8,991	$3,280
13-14	$9,062	$3,306
14-15	$9,139	$3,347

a. What is the absolute change in tuition and fees at public four-year institutions from 2005-06 to 2014-15?

b.Calculate the relative change in tuition and fees at public four-year institutions from 2005-06 to 2014-15. Round to the nearest whole percentage point.

c. What is the absolute change in tuition and fees at public two-year institutions from 2005-06 to 2014-15?

d. Calculate the relative change in tuition and fees at public two-year institutions from 2005-06 to 2014-15. Round to the nearest whole percentage point.

Please label your answers with a, b, c, d.