If a solution concentration is 0.1mg/ml…then what concentration in 5 one Tsp doses of this solution

- If a solution concentration is 0.1mg/ml…then what concentration in 5 one Tsp doses of this solution:
1tsp=5ml
0.1mg / ml =? / 5ml
? =0.5mg*1000 = 500 micro
a- 500 microgram
b- 150 microgram
c-1.5 microgram
d-.005 microgram