You are researching a company and find that it has an inventory period of 21.06 days, and accounts payable period of 34.1 days, and an accounts receivable period of 30.2 days. The companys cash cycle is _____ days and its operating cycle is _____ days.

a. 557; 25.5

b. 17.7; 51.8

c. 51.8; 17.7

d. 64.3; 42.7

e. 25.5; 55.7