Answer:
$519.6048
Explanation:
Cost of subscription is $499 + 8% tax for 30 days
Cost of subscription for 30 days = $499
Cost of subscription for 1 days =
![(499)/(30)](https://img.qammunity.org/2020/formulas/mathematics/high-school/38btrzcjb5wzuwdwcogq5z6jgzlfy4wdoa.png)
So, Cost for (30-7 = 23)days =
![(499)/(30) * 23](https://img.qammunity.org/2020/formulas/mathematics/high-school/j6ahts6yrn0o89yz33ez4jvrdcc1k14ztl.png)
=
![382.56](https://img.qammunity.org/2020/formulas/mathematics/high-school/fnei79s98cn6yg6x0razj20a2iybd5hlkj.png)
Cost of subscription for 23 days =
![382.56](https://img.qammunity.org/2020/formulas/mathematics/high-school/fnei79s98cn6yg6x0razj20a2iybd5hlkj.png)
Sale tax = 8 %
Sales Tax =
![30.6048](https://img.qammunity.org/2020/formulas/mathematics/high-school/na6ep363aiau6jupuvexc4j25uvd0qcqlf.png)
Cost of subscription = $499+$30.6048 = $529.6048
There is an off of $10
So, Final cost = $529.6048-$10= $519.6048
Hence The final cost is $519.6048