Sweetheart, Inc., jointly produces raw sugar, granulated sugar, and caster sugar. After the split-off point, raw sugar is immediately sold for $0.20 per pound, while granulated and caster sugar are processed further. The market value of the granulated sugar and caster sugar is estimated to both be $0.25 at the split-off point. One batch of joint production costs $1,640 and yields 3,000 pounds of raw sugar, 3,600 pounds of granulated sugar, and 2,000 pounds of caster sugar at the split-off point. Allocate the joint costs of production to each product using the market value at split-off method.