E$8-4($Algo$)$ Calculating Unknowns Based on Production, Sales, Beginning and Ending Inventory Values $[$LO $8-3$b$]$

Complete the following table:

Note: Enter all values as positive values.

$\backslash$table$[[$NUMBER OF UNITS$],[$Production$,$Sales,$\backslash$table$[[$Ending$],[$Inventory$]],\backslash$table$[[$Beginning$],[$Inventory$]],],[,775,125,75,],[750,,120,100,],[800,690,,85,],[1,000,1,175,145,,],[615,,165,130,],[780,755,285,,]]$