Delta diamonds had 5 diamonds available for sale this year: 1 purchased june 1 for $500; 2 purchased july 9 for $550 each; and 2 purchased september 23 for $600 each. on december 24, it sold 1 of the diamonds. using lifo periodic, its cost of goods sold is?

what is all that apply?

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

c

step-by-step explanation: