united parcel service , inc .
and subsidiaries notes to consolidated financial statements 2014 ( continued ) ups class b common stock on the first or the last day of each quarterly period .
employees purchased 1.8 , 1.9 , and 2.0 million shares at average prices of $ 64.20 , $ 66.64 , and $ 64.54 per share during 2007 , 2006 , and 2005 , respectively .
compensation cost is measured for the fair value of employees 2019 purchase rights under our discounted employee stock purchase plan using the black-scholes option pricing model .
the weighted average assumptions used and the calculated weighted average fair value of employees 2019 purchase rights granted , are as follows: .

2007
2006
2005
Expected dividend yield
2.13%
1.79%
1.62%
Risk-free interest rate
4.60%
4.59%
2.84%
Expected life in years
0.25
0.25
0.25
Expected volatility
16.26%
15.92%
15.46%
Weighted average fair value of purchase rights*
$9.80
$10.30
$9.46

* includes the 10% ( 10 % ) discount from the market price .
expected volatilities are based on the historical price volatility on our publicly-traded class b shares .
the expected dividend yield is based on the recent historical dividend yields for our stock , taking into account changes in dividend policy .
the risk-free interest rate is based on the term structure of interest rates on u.s .
treasury securities at the time of the option grant .
the expected life represents the three month option period applicable to the purchase rights .
note 12 .
segment and geographic information we report our operations in three segments : u.s .
domestic package operations , international package operations , and supply chain & freight operations .
package operations represent our most significant business and are broken down into regional operations around the world .
regional operations managers are responsible for both domestic and export operations within their geographic area .
u.s .
domestic package domestic package operations include the time-definite delivery of letters , documents , and packages throughout the united states .
international package international package operations include delivery to more than 200 countries and territories worldwide , including shipments wholly outside the united states , as well as shipments with either origin or distribution outside the united states .
our international package reporting segment includes the operations of our europe , asia , and americas operating segments .
supply chain & freight supply chain & freight includes our forwarding and logistics operations , ups freight , and other aggregated business units .
our forwarding and logistics business provides services in more than 175 countries and territories worldwide , and includes supply chain design and management , freight distribution , customs brokerage , mail and consulting services .
ups freight offers a variety of ltl and tl services to customers in north america .
other aggregated business units within this segment include mail boxes , etc .
( the franchisor of mail boxes , etc .
and the ups store ) and ups capital. .

Question: Analyse this data from a financial earnings document. what is the total cash inflow from the stock purchases of employees in 2007 , ( in millions ) ?
Choices:
115.56
17.03
66
18.54
115560000
Correct choice index: 0