≥ bought a pair of shoes for $60 and s pair of socks for $10 per pair. She paid sales tax of 7% for her purchase. The total amount she paid, in dollars, including tax is described by the expression below. 1.07(60 + 10s)In the expression, what does 10s represent?In the expression what does 1.07 represent?In the expression, what does 60 represent?