This is a partial adjusted trial balance of Cullumber Company. Answer these questions, assuming the year begins January 1. (a) If the amount in Supplies Expense is the January 31 adjusting entry and $320 of supplies was purchased in January, what was the balance in Supplies on January 1 ? Supplies balance $ (b) If the amount in Insurance Expense is the January 31 adjusting entry and the original insurance premium was for 1 year, what was the total premium and when was the policy purchased? Total premium for 1 year $ Purchase date