Sybil Crumpton, vice president of operations for Bob Marshall Wilderness Bank, has instructed the banks computer programmer

Question:

Sybil Crumpton, vice president of operations for Bob Marshall Wilderness Bank, has instructed the bank’s computer programmer to use a 365-day year to compute interest on depository accounts (payables). Sybil also instructed the programmer to use a 360-day year to compute interest on loans (receivables).
Discuss whether Sybil is behaving in a professional manner.