Find the required payment for the sinking fund: Quarterly deposits earning 7.4% to accumulate $66,000 after 30 years.

X ( 1 + 0.074/4) ^ (30*4) = 66000

log X + 120 log ( 1+.074/4) = log 66000

log X = log 66000 - 120 log(1.0185)=

X = 7311.39