Answer: 26.75
Explanation:
Binocular =10
After mark up:
10+(10/100)*45=10+4.5=14.5 after mark up
Birdguide=7
7+(7/100)*45=7+3.15=10.15
14.5+10.15=24.65 before sales tax
24.65+(24.65/100)*8.5=24.65+2.095=26.75
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