Bob Mills is the city sales manager for RIBS, a national fast food franchise. Every working day, Mr. Mills drives his car as follows. Miles Home to office 20 Office to RIBS No. 1 15 RIBS No. 1 to No. 2 18 RIBS No. 2 to No. 3 13 RIBS No. 3 to home 30 Mr. Mills renders an adequate accounting to his employer. As a result, Bob's reimburseable mileage is: O a. 0 miles. O b. 46 miles. O c. 66 miles. O d. 76 miles