Comparison of 39 weeks ended October 28, 2023 to 39 weeks ended October 29, 2022
Net sales
Net sales increased $671.2 million or 9.6%, to $7.7 billion for the 39 weeks ended October 28, 2023, compared to $7.0 billion for the 39 weeks ended October 29, 2022. The net sales increase was primarily due to increased comparable sales, strong new store performance, and an increase in other revenue compared to the 39 weeks ended October 29, 2022. The total comparable sales increase of 7.3% during the 39 weeks ended October 28, 2023 was driven by an 8.7% increase in transactions and a 1.4% decrease in average ticket.
Gross profit
Gross profit increased $208.5 million or 7.4%, to $3.0 billion for the 39 weeks ended October 28, 2023, compared to $2.8 billion for the 39 weeks ended October 29, 2022. Gross profit as a percentage of net sales decreased to 39.7% for the 39 weeks ended October 28, 2023, compared to 40.6% for the 39 weeks ended October 29, 2022. The decrease in gross profit margin was primarily due to lower merchandise margin, higher inventory shrink, higher supply chain costs, and deleverage of salon expenses, partially offset by strong growth in other revenue and leverage of store fixed costs.
Selling, general and administrative expenses
SG&A expenses increased $241.6 million or 14.8%, to $1.9 billion for the 39 weeks ended October 28, 2023, compared to $1.6 billion for the 39 weeks ended October 29, 2022. SG&A expenses as a percentage of net sales increased to 24.5% for the 39 weeks ended October 28, 2023, compared to 23.4% for the 39 weeks ended October 29, 2022, primarily due to higher corporate overhead due to strategic investments, higher store payroll and benefits, higher marketing expenses, and higher store expenses, partially offset by lower incentive compensation.
Pre-opening expenses
Pre-opening expenses were $5.4 million for the 39 weeks ended October 28, 2023 compared to $8.4 million for the 39 weeks ended October 29, 2022.
Interest income, net
Net interest income was $14.3 million for the 39 weeks ended October 28, 2023 compared to $0.6 million for the 39 weeks ended October 29, 2022 due to higher average interest rates on cash balances. As of October 28, 2023, we had $195.4 million outstanding under the credit facility. We did not have any outstanding borrowings on the credit facility as of January 28, 2023 and October 29, 2022.
Income tax expense
Income tax expense of $278.6 million for the 39 weeks ended October 28, 2023 represents an effective tax rate of 23.7%, compared to $289.9 million of income tax expense representing an effective tax rate of 24.3% for the 39 weeks ended October 29, 2022. The lower effective tax rate is primarily due to benefits from income tax accounting for stock-based compensation.
Net income
Net income was $896.6 million for the 39 weeks ended October 28, 2023 compared to $901.7 million for the 39 weeks ended October 29, 2022. The decrease in net income is primarily related to the $241.6 million increase in SG&A expenses, partially offset by the $208.5 million increase in gross profit, the $13.7 million increase in interest income, and the $11.3 million decrease in income taxes.
Liquidity and capital resources
Our primary sources of liquidity are cash and cash equivalents, cash flows from operations, and borrowings under our credit facility. The most significant components of our working capital are merchandise inventories, receivables, and