3 time sensitive

Vaughn Corp. purchased 2,950 pounds of flour in preparation for making its biscuit mix. Every package of mix is expected to use 5 pounds of flour, with flour budgeted at $0.50 pelpound. The production department used 2.740 pounds of the flour in producing 530 packages of biscuit mix. If the purchasing department paid $1,622.50 for the initial flour purchase, what was Vaughn's DM etficiency variance? (Round answer to 2 decimal places, e.g. 15.25.) DM efficiency variance $