$1.$ Ace uses a weighted$-$average perpetual inventory system. The following transactions took place during the month of April:

January $1$

$5$ units purchased at $$13/$unit

January $5$

$10$ units purchased at $$11/$unit

January $10$

Sold $12$ Units

January $15$

$5$ units purchased at $$7\mathrm{.}5$ per unit

January $20$

$14$ units purchased at $$16$ per unit

$$

What is Ace$$s Cost of Goods Sold? $($Round each per unit cost to $2$ decimal places$)$