The answer is <span>You bought 4 pairs of socks at $2.29 each and one cap at $5.98. </span> <span>With a sales tax of 4%, what was the total amount of the purchase? </span> <span>Cost of 4 pairs of socks including tax is $9.53. </span> <span>Cost of one cap including tax is $6.22. </span> <span>Hence the total amount of purchase is $15.75.</span>