Indirect costs incurred in a manufacturing environment that cannot be traced directly to a product are treated as a. product costs and expensed when incurred b. period costs and expensed when the goods are sold c. product costs and expensed when the goods are sold d. period costs and expensed when incurred

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this