Task: Table-QA (source dataset: FinQA)

Task: 
You are given a table containing structured data and a natural language question referring to the table. Your goal is to analyze the table and provide an accurate and concise answer based on the given data.

Instructions:
1. Understand the Table: Examine the structure, headers, and data in the table. Identify relevant columns and rows related to the question.
2. Interpret the Question: Determine whether the question requires direct retrieval, aggregation, comparison, sorting, filtering, or inference.
3. Extract the Answer: Use logical reasoning and numerical operations (if necessary) to derive the correct response from the table.
4. Format the Answer: No explanation, return the answer in a structured JSON format: {"answer": <answer>}. If the question cannot be answered due to missing or ambiguous data, return a JSON response with {"answer": null}.

Table:
| Unnamed: 0                                      | 2007               | 2006               | 2005               |
|:------------------------------------------------|:-------------------|:-------------------|:-------------------|
| expected dividend yield                         | 2.13% ( 2.13 % )   | 1.79% ( 1.79 % )   | 1.62% ( 1.62 % )   |
| risk-free interest rate                         | 4.60% ( 4.60 % )   | 4.59% ( 4.59 % )   | 2.84% ( 2.84 % )   |
| expected life in years                          | 0.25               | 0.25               | 0.25               |
| expected volatility                             | 16.26% ( 16.26 % ) | 15.92% ( 15.92 % ) | 15.46% ( 15.46 % ) |
| weighted average fair value of purchase rights* | $ 9.80             | $ 10.30            | $ 9.46             |

Question:
what is the total cash inflow from the stock purchases of employees in 2007 , ( in millions ) ?


pre_text: 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: .
post_text: * 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. .
label: 115.56
qa: answer: 115.6
ann_text_rows: 2
steps: op: multiply1-1
arg1: 1.8
arg2: 64.20
res: 115.6
program: multiply(1.8, 64.20)
gold_inds: text_2: 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 .
exe_ans: 115.56
tfidftopn: text_3: 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 .
text_1: 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 .
program_re: multiply(1.8, 64.20)
model_input: text_1
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 .
text_2
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 .
text_4
the weighted average assumptions used and the calculated weighted average fair value of employees 2019 purchase rights granted , are as follows: .