The following are the annual salaries of 18 chief executives officers of major companies. (The salaries are written in thousands of dollars.)

700, 271, 157, 1108, 586, 519, 405, 428, 134, 362, 495, 1250, 84, 562, 814, 381, 653, 676

Find 10th and 75th percentile for these salaries.