To calculate these costs, you must consider these aspects of the manufacturing environment: Product costing (detailed information) for material, labor, and overhead. Cost reporting (what does the item really cost to produce). Variance reporting (actual versus standard costs).
In a pot, heat water until it boils. Once it boils, add in your potatoes. After about 20 minutes, you can try forking in your potatoes to see how tender it is. Now, another factor on the length of cooking potatoes is how big your potatoes are. Of course, if you use really small potatoes, they will become tender easily.
Confidence votes 2.0K. It would take at least 40-45 minutes to an hour to bake a large potato at 450 degrees. I often cut down the baking time to maybe 30 minutes by cutting the potato in half the long way before baking. Be sure to oil the cut side, and place it cut side down on a baking sheet.