Oct $1-$ Beginning merchandise inventory$-16$ tires @ $$65$ each

Oct $11-$ Purchase $10$ tires @ $$78$ each

Oct $23-$ Sale $12$ tires @ $$89$ each

Oct $26-$ Purchase $14$ tires @ $$80$ each

Oct $29-$ Sale $18$ tires @ $$89$ each

$1.$ Compute cost of goods sold and gross profit using the LIFO inventory costing method.

$2.$ Compute cost of goods sold and gross profit using the weighted$-$average inventory costing method. $($Round weighted$-$average cost per unit to the nearest cent and all other amounts to the nearest dollar.$)$

$3.$ Which method results in the largest gross profit, and why?