At seven inches with a 1024 x 600 resolution screen and 1.2GHz dual-core processor, the so-called Iconia B1 tablet will have somewhat similar specs to Amazon.com Inc. AMZN +0.66%’s Kindle Fire and the Barnes & Noble Inc. BKS -0.66%’s Nook Color. But Acer plans to undercut those best-selling tablets’ $139 price tag by offering the Iconia B1 for around $99, the person said. The final shelf price will be determined country-by-country.