A firm has the following transactions with its product R for the year to December $31,2021$

$1$ January $2021$ Opening inventory valuation: Nil

$1$ February $2021$ Buys $15$ units at $$3000$ per unit

$11$ February $2021$ Buys $12$ units at $$2500$ per unit

$1$ April $2021$ Sells $10$ units at $$4000$ per unit

$1$ August $2021$ Buys $6$ units at a total cost of $$30000$

$1$ December $2021$ Sells $12$ units and received total revenue of $$100000$

$31$December $2021$ closing inventory valuation: $$27000$

Other information for the year:

Cost of transporting inventory purchased from supplier $ $3200$

Depreciation expense for the year on non$-$current assets $ $4200$

General administrative expenses $$33100$

Investment income from securities $ $9000$

Selling and distribution expenses $$6700$

Finance cost$/$Interest expense $$2200$

Non$-$ current assets cost at end of period $$60000$

$4\mathrm{.}4\%$ loan $$50000$

What is the total revenue received from the sale of inventory during the year?