Terms have been established and signed on a 44 million pound transfer and £240,000-a- week salary, with United fully expected to activate the permanent transfer in the summer.

Manchester United has agreed and shaken hands on a 44
million pound deal to sign Radamel Falcao permanently when
his loan move ends at the end of the season, Goal can
confirm United agreed terms with Monaco and Falcao when his £6m season-long loan switch from the French club was sealed on the final day of the summer transfer window.

The 20-time English champions will have the option to activate the agreement at the end of the season if they are satisfied with Falcao’s performances and fitness. It is
understood all parties fully expect the deal to be made
permanent.

Falcao currently receives a salary package worth around £240,000 per week, and United has agreed to the same
terms should the permanent switch materialize next summer.
Sources at United have told Goal that "everything is agreed"
for Falcao to complete a permanent transfer at the end of the season, with paperwork already signed regarding the terms
of the deal.

Falcao’s agent, Jorge Mendes, has a close relationship with
United executives and the striker has expressed his desire to
stay at the club beyond this season.
Despite the perception that Falcao's move was a last-minute
swoop which only materialized in the final hours of the
transfer window, United had been negotiating various terms
with Mendes for a number of weeks.
But with the deadline approaching, all parties decided on a
season-long loan move and the tenets of a permanent move
were agreed and signed upon.

The loan agreement gives United the opportunity to assess
Falcao’s form and fitness after the serious knee injury that
ruled him out for the second half of last season and caused him to miss the World Cup.
A transfer next summer will also be reflected more favorably
in United’s financial accounts having spent more than £150m
in the transfer market over the summer.
Falcao has scored one goal in five Premier League
appearances for United but missed Sunday’s 1-1 draw with
Chelsea after sustaining an injury in training last week.

Juventus managing director has claimed this week that Falcao
came close to joining the Italian champions in the summer
before United stepped in with a better offer.
"We were following him and there was contact," Marotta
told RAI. "We were very close to [signing] Falcao and the
player preferred Italy and our colors, but then United came
forward and they have much more spending power than we
do so the deal broke down."
United paid roughly £60m for Luke Shaw and Ander Herrera
at the start of the summer, broke the British transfer record
with a £59.7m move for Angel Di Maria and spent a further
£35m on Marcos Rojo and Daley Blind after suffering a rock
start to the Premier League season in August.

Source: www.goal.com/en-us/news/69/transfer-zone/2014/10/30/5631821/revealed-terms-agreed-on-manchester-uniteds-permanent-falcao?ICID=HP_HN_1