An overstatement of year-end inventory results in an increase in the gross margin sales-cost of sales). Overstating ending inventory understates cost of sales. Copper Co. had the pre-closing trial balance at December 31 shown below. Additional information: The balance of opening inventory was US $140,000.
The long-term debt pays interest at a rate of 10% per annum, payable every 12 months. The debt was issued on July 1 of the current year and originally had 5 years to maturity. The assets classified as property, plant, and equipment have a 10-year estimated useful life and were 1 year old at the start of the current year Straight-line depreciation is used.

Explanation/Reference: https://www.investopedia.com/terms/m/management-by-objectives.asp

The critical (longest) path through the network from node (A) to node (F) is path A-C-D-F. All other paths are shorter than path A-C-D-F, so the activities along those paths can be completed before the activities along path A-C-D-F. Thus, the shortest time to complete the project is 8 months (3 + 3 + 2).

If the discount period is longer, the days of extra credit obtained by forgoing the discount are fewer. Assuming other factors are constant, the result is that the cost of trade credit, that is, the cost of not taking the discount, is greater.