Answer: Option 'A' is correct.
Explanation:
Since we have given that
Rate of mark down of DVD players = 36%
Rate of mark down of Stereo tuners = 22%
After mark down, the price of DVD players = $41.60
After mark down, the price of Stereo tuners = $69.42
So, we will find the original price of both.
Original price of DVD players is given by
![(100-36)/(100)* x=41.60\\\\(64)/(100)* x=41.60\\\\ 0.64x=41.60\\\\x=(41.60)/(0.64)\\\\x=\$65](https://img.qammunity.org/2020/formulas/mathematics/high-school/wk5ajnz7pl0qfj3f3ijxuuv8htq7pk0x2f.png)
Original price of Stereo tuners is given by
![(100-22)/(100)* x=69.42\\\\(78)/(100)* x=69.42\\\\ 0.78x=69.42\\\\x=(69.42)/(0.78)\\\\x=\$89](https://img.qammunity.org/2020/formulas/mathematics/high-school/ruc4w6ujy27ou4lp4ltwwclnmrfboexo8a.png)
Reduction in price of DVD player is given by
![65-41.60=\$23.4](https://img.qammunity.org/2020/formulas/mathematics/high-school/exji8jiae8d0ayhfhe8mlpoyyvhqn28x5i.png)
Reduction in price of Stereo tuners is given by
![89-69.42=\$19.58](https://img.qammunity.org/2020/formulas/mathematics/high-school/dwt5nfm4pmhjowxytplpll0b4cdqito0lh.png)
Difference between them
![\$23.4-\$19.58\\\\=\$3.82](https://img.qammunity.org/2020/formulas/mathematics/high-school/arjlq36wo1o82bhq0ciqlf5raats6s1xtt.png)
The DVD player’s price was reduced by $3.82 more than the stereo tuner’s price.
Hence, Option 'A' is correct.