i need an explanation to this question please

Dhina Industries, lac. (DI), developed standard costs for direet materal aad direct laber. Dil estimated the following standusd corts for coe of their major prodacts, the io gallon plastic coatainc Buring June, DIt produced and sold 10,000 containers using 980 pounds of ditect miternals at an average cont per pound of 532 and 500 direet marnuficturing taber bouits at an average wage of 515.25 per hot June's direct manufacturing labor efficiebcy variance ist. $7,623.50 unfavorable No variance exists. $125 unfavorable $125 favorabie