The cash portion rose $2, to $16.40 a share, increasing the deal's value to $18.2 billion.
Only the cash portion of the deal would be taxable.
That means either bidder would probably have to increase its cash portion.
At current prices the cash portion of the deal would be worth $4.2 billion.
The earlier plan had a cash portion of $59 a share.
That is because the cash portion of the deal has grown.
The cash portion of Imperial's deal is worth $80.8 million.
The cash portion of the deal alone is worth about $609 million.
For the cash portion, they turn to large money market mutual funds.
That would make the cash portion of the deal $3.7 billion.