Answer
Total cost = $79.55
Step-by-step explanation
The total cost will be given as
Total cost = (Sales price) + (Extra cost due to tax)
Sales price = $74
Extra cost due to tax = 7.5% of $74 = 0.075 (74) = $5.55
Total cost = (Sales price) + (Extra cost due to tax)
Total cost = 74 + 5.55 = $79.55
Hope this Helps!!!