A worker can construct a house alone in 150 days, working 8 hours a day. A builder wants to construct the building of such 12 houses, so he hired a team of workers who works 10 hours a day and 6 days a week. The work starts on Monday and ends in 52 days. How many workers are there in the team? 

a) 32
b) 27
c) 28
d) 30