α‘αα‘α»αβααα’αΆαααΆααααΆα αααα’αΆα2$-2$
$2
ααΆααααα»ααααα»αααααΆααααα αααα’αΆα ααααααααΆαπποΈππ₯°ααΆααΆααΆα αα’αΈαααΆααααα’αΆαααΌαπ₯°ποΈπ―β
$2
$10
$10
$3
$3
$3
$25
$7
$2.50
$45
$45
$3
$1
$1
$19
$15
$1
$4
$2.50
$45 $150