; plus (ii) $750, multiplied by so much of such average number of employees as exceeds 500 but does not exceed 1,000; plus (iii) $500, multiplied by so much of such average number of employees as exceeds 1,000. (2) Credit limited to employment taxes The credit allowed by subsection (a) with respect to any calendar quarter shall not exceed the applicable employment taxes (reduced by any credits allowed under subsections (e) and (f) of section 3111 of the Internal Revenue Code of 1986, sections 7001 and 7003 of the Families First Coronavirus Response Act, and section 2301 of the CARES Act) on the wages paid with respect to the employment of all the employees of the eligible employer for such calendar quarter. (3) Refundability of excess credit (A) In general If the amount of the credit under subsection (a) exceeds the limitation of paragraph (2) for any calendar quarter, such excess shall be treated as an overpayment that shall be refunded under sections 6402(a) and 6413(b) of the Internal Revenue Code of 1986. (B) Treatment of payments For purposes of section 1324 of title 31, United States Code, any amounts due to the employer under this paragraph shall be treated in the same manner as a refund due from a credit provision referred to in subsection (b)(2) of such section. (c) Qualified workplace training expenses For purposes of this section, the term qualified workplace training expenses means amounts paid or incurred by the employer for education and training with respect to industry best practices that ensure— (1) the health and safety of employees in the workplace with respect to COVID–19