NEW YORK — Macy’s customers may finally start to feel the impact of President Donald Trump’s trade war with China.

Like many department stores and general merchandise retailers, Macy’s had been left largely unscathed by the first several rounds of tariffs since they focused more on industrial and agricultural products. But products like furniture saw an increase in tariffs to 25% last week. And now the administration is preparing to extend the 25% tariffs to practically all Chinese imports not already hit with levies including toys, shirts, household goods and sneakers, which furnish Macy’s behemoth stores. That’s roughly $300 billion worth of products on top of the $250 billion targeted earlier.

Macy’s CEO Jeff Gennette told investors Wednesday the higher levies on furniture will have some impact on the department store business, but it can be mitigated. But he says if the potential fourth wave of tariffs are placed on imports, that could mean higher retail prices for both store label and national brands.

“Looking at all those categories and those brands that are included, it is hard to do the math to find a path that gets you to a place where you don’t have a customer impact,” Gennette told investors.

Macy’s fiscal first quarter performance smashed Wall Street estimates. Macy’s also put up its sixth consecutive quarter of increases in comparable store sales fueled by its robust online business after a three-year sales slump.

Macy’s report offered encouraging news after the department store chain struggled through a weak holiday season. It offered signs that the retooling of its loyalty program and the expansion of its off-price concept are enticing shoppers to buy. The company also delivered another quarter of double digit increases in online sales.

Like many other mall-based stores, Macy’s is under pressure to reinvent itself as shoppers increasingly buy online. Macy’s has been expanding its store labels and opening more off-price Backstage stores. It’s rolled out technology that allows customers to skip the line at the register. The company’s revamped loyalty card program has helped keep its best customers engaged. And after closing more than 100 stores over the past several years, it’s going to see how a cluster of smaller stores work with today’s customers. The company is also expanding the list of stores that get new improved fixtures and more localized fashion to 150 from the original 50.

In February, the department store announced a multiyear money-saving restructuring program that it says will shrink its management structure and make the department store more nimble in a fiercely competitive environment.

Mobile is Macy’s fastest growing channel, with more than $1 billion in sales through its apps alone in 2018, the retailer has said. Such efforts propped up quarterly results.

The Cincinnati department store chain reported a first quarter profit of $136 million, or 44 cents per share. That far exceeds Wall Street’s per-share expectations of 31 cents, according to a survey by Zacks Investment Research.

Revenue was $5.5 billion, just shy of expectations.

Gennette said that Macy’s has been working to shift some of the production out of China, and that it’s working with its national brand partners to figure out a solution.