What is the meaning of 50k in 2018?

50,000

Explanation:

i hope it helped ya <3

50,000 Hope that helps

Problem: 
Buy extended warranty for $950 laptop or not?

Alternative:
1) Buy extended warranty
2) Not buy extended warranty

Criteria:
Practical and cost saving in the long-run

Evaluate Alternatives:
1) Buy extended warranty 
       con: pay additional $99. 
       pro: 5 year warranty coverage. 
       pro: repairs may be done at a local store

2) Not buy extended warranty
       pro&con: laptop comes with one-year limited warrant
       pro: no additional payment
       con: repairs will be done by manufacturer 
       con: repair costs range from $50 to $450

Decision:
BUY EXTENDED WARRANTY