$1155\mathrm{.}1(201)$ Presented below are the components in determining cost of goods sold. Determine the missing amounts.

$\backslash$table$[[\backslash$table$[[$Bepinning$],[$Inventory$]],$Purchases,$\backslash$table$[[$Cost of Geods$],[$Axailable for Sale$]],\backslash$table$[[$Ending$],[$Inventary$]],\backslash$table$[[$Cest of$],[$Geods Sold$]]],[$a$.580,000,$$$100,000,7,?,5120,000],[$b$.550,000,?,$$$115,000,535,000,?$