Answer:
a. they are separate performance obligations
normal price of annual membership = $1,140
one yer enrollment in yoga = $600 x (30% - 10%) = $120 x 50% = $60
total $1,200
% of price allocated to:
annual membership = ($1,140 / $1,200) x $1,100 = $1,045
discount voucher = $1,100 - $1,045 = $55
b. the journal entry should be
Dr Cash 1,100
Cr Unearned revenue, membership fees 1,045
Cr Unearned revenue, discount voucher 55