抵减

抵减	dǐ jiǎn	to claim a credit against / tax reduction
抵	dǐ	to press against / to support / to prop up / to resist / to equal / to balance / to make up for / to mortgage / to arrive at / to clap (one's hands) lightly (expressing delight) (Taiwan pr. [zhi3] for this sense)
减	jiǎn	to lower / to decrease / to reduce / to subtract / to diminish